Conditional clauses are very common in English. They are usually introduced by the subordinating conjunction if.
Conditional clauses can refer to the present, past or the future. The zero conditional usually refers to the present. The first conditional can refer to the present or the future. Second and third conditional clauses are mainly used to talk about unreal or hypothetical past situations.
The second conditional can also be used to refer to unreal present or future situations.
Test your understanding of conditional clauses with this grammar exercise. Read the sentences given below and try to identify the type of conditional clauses present in them.
Answers
1. Zero conditional
2. First conditional
3. Second conditional
4. First conditional
5. Third conditional
6. Second conditional

