Conditional Sentences Type 3

 Conditional Sentence Type 3

Conditional sentence type 3 or third conditional is a conditional sentence that is used when the result / consequence of the condition has no possibility of materializing because the condition must have been met in the past.

The condition is in the subordinate clause with the subordinate conjunction "if", while the result / consequence is in the main clause.

Formulas for Conditional Sentence Type 3

The conditional clause (if + condition) uses the past perfect tense, while the main clause (result) uses the perfect modal (modal + have + past participle).

complex sentencesubordinate clause (if + condition)main clause (result/consequence)if + past perfectwould/should/could/might + have + past participle

If-clause can be at the beginning or middle of a sentence. When if-clause takes place at the beginning of the sentence, a comma is placed before the main clause.