Conditional Sentence Type 3 Definition of Conditional Sentence Type 2 A third conditional sentence is a conditional sentence when a condition cannot possibly be realized at all. This can be described as a very impossible condition or just a dream or imagination. In this third type of conditional sentence, the sentence form uses the past perfect equipped with auxiliary modalities such as would, could, and should. The formula used is if + past perfect, would / should / could / might + have + past participle. Form In a type 3 conditional sentence, the tense in the "if" clause is the past perfect, and the tense in the main clause is the perfect conditional or the perfect continuous conditional. As in all conditional sentences, the order of the clauses is not fixed. You may have to rearrange the pronouns and adjust punctuation when you change the order of the clauses, but the meaning is identical. Examples If it had rained, you would have gotten wet. You would have gott...