Conditional Sentences

25 Aug 2010

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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(true in present).

Form: if + Simple Present, will-Future

Example: If I find her address, Ill 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.

Example: If I dont see him this afternoon, I will phone him in the evening.

Conditional Sentence Type 2

? It is possible but very unlikely, that the condition will be fulfilled(untrue in the present).

Form: if + Simple Past, 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.

Example: If I had a lot of money, I wouldnt 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.

Conditional Sentence Type 3

? It is impossible that the condition will be fulfilled because it refers to the past(untrue in 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.

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.

Example: If I hadnt studied, I wouldnt have passed my exams.


TAGS conditional sentences if if clause conditional sentences result result clause


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