Conditional Sentences (if-clause)

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

Form: if + Simple Present, will-Future

Example: If I find her address, I’ll send her an invitation.

CONDITIONAL SENTENCE TYPE 2

Form: if + Simple Past, Conditional I (= would + Infinitive)

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

CONDITIONAL SENTENCE TYPE 3

Form: if + Past Perfect, Conditional II (= would + have + Past Participle)

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