`1.` If I hadn't been tired , I would have finished my homework last night.

`2.` If I lived in the city, I could go to supermarket.

`3.` If Ile hadn't been lazy , he wouldn't have failed the exam.

`5.` If John hadn't drunk a lot , he wouldn't have caused an accident last month.

`@` Câu điều kiện

`+`Loại `1:` If S+ V hiện tại , S + will + V

`+`Loại `2:` If S+ V quá khứ  , S + would + V

`+`Loại `3:` If S+ had + P2, S + would have + P2

1. If I hadn't tired , I'd have finished my homework last night.
2. If I lived in the city , I would go to the supermarket.
3. If he hadn't been lazy , he wouldn't failed the exam.
4. If he work hard, he won't fail the final exam.
5. If John hadn't drank a lot , he wouldn't caused an accident last month.
:)