Conditional Sentences

Conditional Sentences / If-Clauses Type I, II und III

Conditional Sentences are also known as Conditional Clauses or If Clauses. They are used to express that the action in the main clause (without if) can only take place if a certain condition (in the clause with if) is fulfilled. There are three types of Conditional Sentences.

Conditional Sentence Type 1

→  It is possible and also very likely that the condition will be fulfilled.

Form: If + Simple Present, will-Future
Example: If I find her address, I’ll send her an invitation.

The main clause can also be at the beginning of the sentence. In this case, don't use a comma.
Example: I will send her an invitation if I find her address.
Note: Main clause and / or if clause might be negative. See Simple Present und will-Future on how to form negative sentences.
Example: If I don’t see him this afternoon, I will phone him in the evening.

Use


Conditional Sentences Type I refer to the future. An action in the future will only happen if a certain condition is fulfilled by that time. We don't know for sure whether the condition actually will be fulfilled or not, but the conditions seems rather realistic – so we think it is likely to happen.
Example: If I find her address, I’ll send her an invitation.
I want to send an invitation to a friend. I just have to find her address. I am quite sure, however, that I will find it.
Example: If John has the money, he will buy a Ferrari.
I know John very well and I know that he earns a lot of money and that he loves Ferraris. So I think it is very likely that sooner or later he will have the money to buy a Ferrari.

Conditional Sentence Type 2

→ It is possible but very unlikely, that the condition will be fulfilled.

Form: If + Simple Past, Conditional I (= would + Infinitive)
Example: If I found her address, I would send her an invitation.


Form : If + Simple Past, main clause with Conditional I (= would + Infinitive)
Example: If I found her address, I would send her an invitation.

The main clause can also be at the beginning of the sentence. In this case, don't use a comma.
Example: I would send her an invitation if I found her address.

Note: Main clause and / or if clause might be negative. See Simple Past und Conditional I on how to form negative sentences.

Example: If I had a lot of money, I wouldn’t stay here.
Were instead of Was

In IF Clauses Type II, we usually use ‚were‘ – even if the pronoun is I, he, she or it –.

Example: If I were you, I would not do this.

Use

Conditional Sentences Type II refer to situations in the present. An action could happen if the present situation were different. I don't really expect the situation to change, however. I just imagine „what would happen if …“

Example: If I found her address, I would send her an invitation.

I would like to send an invitation to a friend. I have looked everywhere for her address, but I cannot find it. So now I think it is rather unlikely that I will eventually find her address.

Example: If John had the money, he would buy a Ferrari.

I know John very well and I know that he doesn't have much money, but he loves Ferraris. He would like to own a Ferrari (in his dreams). But I think it is very unlikely that he will have the money to buy one in the near future.

Conditional Sentence Type 3

→ It is impossible that the condition will be fulfilled because it refers to the past.

Form: if + Past Perfect, Conditional II (= would + have + Past Participle)
Example: If I had found her address, I would have sent her an invitation.


Form : if + Past Perfect, main clause with Conditional II
Example: If I had found her address, I would have sent her an invitation.

The main clause can also be at the beginning of the sentence. In this case, don't use a comma.

Example: I would have sent her an invitation if I had found her address.

Note: Main clause and / or if clause might be negative. See Past Perfect and Conditional II on how to form negative sentences.

Example: If I hadn’t studied, I wouldn’t have passed my exams.


Use

Conditional Sentences Type III refer to situations in the past. An action could have happened in the past if a certain condition had been fulfilled. Things were different then, however. We just imagine, what would have happened if the situation had been fulfilled.

Example: If I had found her address, I would have sent her an invitation.

Sometime in the past, I wanted to send an invitation to a friend. I didn't find her address, however. So in the end I didn't send her an invitation.

Example: If John had had the money, he would have bought a Ferrari.

I knew John very well and I know that he never had much money, but he loved Ferraris. He would have loved to own a Ferrari, but he never had the money to buy one.

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Adverbial clause

Adverbial Clause
The first page focuses on adverb clauses which are often called "time clauses" in English grammar books and follow specific patterns. Take a look at the chart below to study the various usage of different time expressions.

Punctuation

When an adverb clause begins the sentence, use a comma to separate the two clauses. Example: As soon as he arrives, we will have some lunch. When the adverb clause finishes the sentence, there is no need for a comma. Example: He gave me a call when he arrived in town.

Adverb Clauses with Time

When

•    He was talking on the phone when I arrived.
•    When she called, he had already eaten lunch.
•    I washed the dishes when my daughter fell asleep.
•    We'll go to lunch when you come to visit.
'When' means 'at that moment, at that time, etc.'. Notice the different tenses used in relationship to the clause beginning with when. It is important to remember that 'when' takes either the simple past OR the present - the dependent clause changes tense in relation to the 'when' clause.
Before

•    We will finish before he arrives.
•    She (had) left before I telephoned.
'Before' means 'before that moment'. It is important to remember that 'before' takes either the simple past OR the present.
After

•    We will finish after he comes.
•    She ate after I (had) left.
'After' means 'after that moment'. It is important to remember that 'after' takes the present for future events and the past OR past perfect for past events.

While, as
• She began cooking while I was finishing my homework.
• As I was finishing my homework, she began cooking.
'While' and 'as' mean 'during that time'. 'While' and 'as' are both usually used with the past continuous because the meaning of 'during that time' which indicates an action in progess.
 By the time
• By the time he finished, I had cooked dinner.
• We will have finished our homework by the time they arrive.
'By the time' expresses the idea that one event has been completed before another. It is important to notice the use of the past perfect for past events and future perfect for future events in the main clause. This is because of the idea of something happening up to another point in time.
Until, till
• We waited until he finished his homework.
• I'll wait till you finish.
'Until' and 'till' express 'up to that time'. We use either the simple present or simple past with 'until' and 'till'. 'Till' is usually only used in spoken English.
Since
• I have played tennis since I was a young boy.
• They have worked here since 1987.
'Since' means 'from that time'. We use the present perfect (continuous) with 'since'. 'Since' can also be used with a specific point in time.
As soon as
• He will let us know as soon as he decides (or as soon as he has decided).
• As soon as I hear from Tom, I will give you a telephone call.
'As soon as' means 'when something happens - immediately afterwards'. 'As soon as' is very similar to 'when' it emphasizes that the event will occur immediately after the other. We usually use the simple present for future events, although present perfect can also be used.


Whenever, every time
•    Whenever he comes, we go to have lunch at "Dick's".
•    We take a hike every time he visits.
'Whenever' and 'every time' mean 'each time something happens'. We use the simple present (or the simple past in the past) because 'whenever' and 'every time' express habitual action.
The first, second, third, fourth etc., next, last time
•    The first time I went to New York, I was intimidated by the city.
•    I saw Jack the last time I went to San Francisco.
•    The second time I played tennis, I began to have fun.
The first, second, third, fourth etc., next, last time means 'that specific time'. We can use these forms to be more specific about which time of a number of times something happened.

These type of clauses show an unexpected or non self-evident result based on the dependent clause. Example: He bought the car even though it was expensive. Take a look at the chart below to study the various usages of adverb clauses showing opposition.
Punctuation
When an adverb clause begins the sentence use a comma to separate the two clauses. Example: Even though the it was expensive, he bought the car.. When the adverb clause finishes the sentence there is no need for a comma. Example: He bought the car even though it was expensive.
Adverb Clauses Showing Opposition

Even though, though, although

•    Even though it was expensive, he bought the car.
•    Though he loves doughnuts, he has given them up for his diet.
•    Although he course was difficult, he passed with the highest marks.
Notice how 'though, even though' or 'although' show a situation which is contrary to the main clause to express opposition. Even though, though and although are all synonyms.
Whereas, while

•    Whereas you have lots of time to do your homework, I have very little time indeed.
•    Mary is rich, while I am poor.
'Whereas' and 'while' show clauses in direct opposition to each other. Notice that you should always use a comma with 'whereas' and 'while'.

These type of clauses are often called "if clauses" in English grammar books and follow conditional sentence patterns. Take a look at the chart below to study the various usage of different time expressions.
Punctuation
When an adverb clause begins the sentence use a comma to separate the two clauses. Example: If he comes, we will have some lunch.. When the adverb clause finishes the sentence there is no need for a comma. Example: He would have invited me if he had known.
If
•    If we win, we'll go to Kelly's to celebrate!
•    She would buy a house, if she had enough money.
'If' clauses express the conditions necessary for the result. If clauses are followed by expected results based on the condition.
Even if

•    Even if she saves a lot, she won't be able to afford that house.
In contrast to sentences with 'if' sentences with 'even if' show a result that is unexpected based on the condition in the 'even if' clause. Example: COMPARE: If she studies hard, she will pass the exam AND Even if she studies hard, she won't pass the exam.
Whether or not

•    They won't be able to come whether or not they have enough money.
•    Whether they have money or not, they won't be able to come.
'Whether or not' expresses the idea that neither one condition or another matters; the result will be the same. Notice the possibility of inversion (Whether they have money or not) with 'whether or not'.
Unless

•    Unless she hurries up, we won't arrive in time.
•    We won't go unless he arrives soon.

'Unless' expresses the idea of 'if not' Example: Unless she hurries up, we won't arrive in time. MEANS THE SAME AS: If she doesn't hurry up, we won't arrive in time. 'Unless' is only used in the first conditional.
In case (that), in the event (that)

•    In the case you need me, I'll be at Tom's.
•    I'll be studying upstairs in the event he calls.
'In case' and 'in the event' usually mean that you don't expect something to happen, but if it does... Both are used primarily for future events.
Only if

•    We'll give you your bicycle only if you do well on your exams.
•    Only if you do well on your exams will we give you your bicycle.

'Only if' means 'only in the case that something happens - and only if'. This form basically means the same as 'if'. However, it does stress the condition for the result. Note that when 'only if' begins the sentence you need to invert the main clause.
These type of clauses explain the reasons for what happens in the main clause. Example: He bought a new home because he got a better job.. Take a look at the chart below to study the various usages of different expressions of cause and effect. Note that all of these expressions are synonyms of 'because'.

1.    Punctuation

When an adverb clause begins the sentence use a comma to separate the two clauses. Example: Because he had to work late, we had dinner after nine o'clock.. When the adverb clause finishes the sentence there is no need for a comma. Example: We had dinner after nine o'clock because he had to work late.




2.    Adverb Clauses of Cause and Effect

Because

•    They received a high mark on their exam because they had studied hard.
•    I'm studying hard because I want to pass my exam.
•    He works a lot of overtime because his rent is so expensive
Notice how because can be used with a variety of tenses based on the time relationship between the two clauses.
Since

•    Since he loves music so much, he decided to go to a conservatory.
•    They had to leave early since their train left at 8.30.
'Since' means the same as because. 'Since' tends to be used in more informal spoken English. Important note: "Since" when used as a conjunction is typically used to refer to a period of time, while "because" implies a cause or reason.
As long as

•    As long as you have the time, why don't you come for dinner?
'As long as' means the same as because. 'As long as' tends to be used in more informal spoken English.
As

•    As the test is difficult, you had better get some sleep.
'As' means the same as because. 'As' tends to be used in more formal, written English.

Inasamuch as

•    Inasmuch as the students had succesfully completed their exams, their parents rewarded their efforts by giving them a trip to Paris.
'Inasmuch as' means the same as because. 'Inasmuch as' is used in very formal, written English.



Due to the fact that

•    We will be staying for an extra week due to the fact that we haven not yet finished.
'Due to the fact that' means the same as because. 'Due to the fact that' is generally used in very formal, written English.

Sumber :http://esl.about.com/od/grammaradvanced/a/adverb_clauses_3.htm

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pelestarian hutan

BAB I
PENDAHULUAN

1.1     Latar Belakang

Sejak zaman nenek moyang manusia, hutan telah dijadikan sebagai lahan untuk mencari nafkah hidup. Sejak itu pula telah ada kearifan lokal manusia untuk melindungi dan melestarikan hutan dan lingkungannya sehingga hutan tetap menjadi primadona penopang kehidupan mereka. Indonesia memiliki kawasan hutan yang sangat luas, dimana hampir dua pertiga luas daratan Indonesia merupakan kawasan hutan. Namun, keberadaan kawasan hutan yang luas tersebut belum dapat dimanfaatkan secara optimal oleh masyarakat maupun pemerintah, akibat pengelolaan hutan selama ini masih bersifat timber oriented. Salah satu peran hutan yang kurang optimal dalam pemanfaatannya adalah tumbuhan obat. Di sisi lain kawasan hutan Indonesia memiliki keanekaragaman hayati yang sangat tinggi,termasuk pohon atau tumbuhan yang memiliki khasiat sebagai obat.

1.2     Tujuan
Tujuan penulisan ini adalah untuk memberikan gagasan tentang konsep pengembangan kawasan hutan sebagai sumber bahan obat alami agar dapat mengoptimalkan kawasan hutan secara lestari.

1.3     Manfaat
Manfaat dari penulisan ini antara lain :
1.    Bagi pemerintah tulisan ini dapt menjadi masukkan dan petimbangan dalam mengambil kebijakkan.
2.    Bagi industry tulisan ini dapat digunakkan sebagai bahn pertimbangan dalam melakukan investasi.
3.    Bagi masyarat tulisan ini dapat menjadi informasi yang edukatif.

1.4     Gagasan
1.4.1 Peran Hutan Sebagai Sumber Bahan Obat Alami
    Kawasan hutan Indonesia memiliki keanekaragaman hayati yang sangat tinggi, termasuk pohon atau tumbuhan yang memiliki khasiat sebagai obat. Dari 40.000 jenis flora yang ada didunia sebanyak 30.000 jenis dijumpai di Indonesia dan 940 jenis diantaranya diketahui berkhasiat sebagai obat yang telah dipergunakan dalam pengobatan tradisional secara turun-temurun.

Beberapa jenis tanaman obat yang terdapat pada berbagai tipe ekosistem.

1.4.2 Konsep Pengembangan Kawasan Hutan Sebagai Sumber Bahan Obat Alami
a. Kepastian dan penyesuaian lahan
agar kawasan hutan dalam mendukung peningkatan bahan obat alami nasional dapat dimanfaatkan secara optimal, perlu dilakukan inventarisasi terhadap kawasan yang dijadikan hutan obat alami, dan perlu dipertimbangkan jenis tanaman bahan obat alami yang sesuai dengan kondisi biofisik yang ada, sehingga tumbuhan dapat tumbuh optimal,
b.Melibatkan masyarakat
Keterlibatannya masyarakat yang selama ini mempunyai interaksi yang cukup tinggi dengan kawasan hutan. Dalam hal ini, keterlibatan masyarakat hendaknya bukan hanya sebagai pelaksanaan progam tetapi dilibatkan sejak perencanaan.
c.Saran dan Prasarana
dukungan sarana dan prasarana khususnya jalan dan jembatan sangat diperlukan, terutama pada kawasan hutan yang aksesibilitasnya terbatas. Tanpa ada saran dan prasarana yang memadai, tanaman akan sulit untuk didistribusikan dan akan mendapatkan untung yang kecil akibat tingginya biaya transportasi.
d. Kebijakan
pemerintah harus mendukung dan di dorong untuk dapat mengeluarkan aturan hokum yang dapat mendukung pihak-phak yang akan mengembangkan obat-obat alami dikawasan hutan.
Kesimpulan
Inti Gagasan
Gagasan tentang pengembangan bahanobat alami di kawasan hutan ini pada dasarnya meliputi pemberian sarana edukatif mengenai potensi kawasan hutan sebagai sumber penyedia bahan obat alami, melibatkan mayarakat dalam pengolahannya, dan pengadaan srana prasarana yang mendukung dalam pengembangan obat alami.

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