Conditional sentences have two clauses: a condition (if...) and a result. The verb tenses used in each clause depends on whether the speaker thinks the result is probable (real) or only exists in the imagination (unreal).
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type |
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Examples |
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|---|---|---|---|
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0 |
|
If I heat water , it boils. |
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|
I |
+ |
If I study, I will pass the exam. |
If I study, I'll pass the exam. |
|
- |
If I study, I will not fail the exam. |
If I study, I won't fail the exam. |
|
|
II |
+ |
If I studied, I would pass the exam. |
If I studied, I'd pass the exam. |
|
- |
If I studied, I would not fail the exam. I I were you, I would talk to her. |
If I studied, I wouldn't fail the exam. |
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|
III |
+ |
If I had studied, I would have passed the exam. |
If I'd studied, I'd have passed the exam. |
|
- |
If I had studied, I would not have failed the exam. |
If I'd studied, I wouldn't have failed the exam. |
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