Conditional sentences are sentences that show a condition and its result. They usually use “if” to show that one action depends on another. A conditional sentence consists of two clauses: the if-clause, which describes the condition, and the main clause, which describes the result. The if-clause can come at the beginning or the end of the sentence. There are four types of conditional sentences: Zero conditional First conditional Second conditional Third conditional Ahsan Iqbal Khan | British Eng

Conditional in English Grammar with Examples [PDF]

The Third Conditional with Example Sentences & Exercises (Advanced) - To Fluency