Mệnh đề If

8. Be careful or you will break the vase.

9. Be confident or Tuan won't get all good things.

10 .Be calm or you'll make a wrong decision.

11.Be careful or you will fall over the rock

12.Don't be careless or you will break the vase

13. Be quiet, or you will not understand the lesson.

14. Keep our neighborhood clean and we will have an ideal place to live.

`8`. If you are not careful, you will break the vase.

`9.` If Tuan is not confident, he won’t get all good things.

`10`. If you are not calm, you will make a wrong decision.

`11`. If you are not careful, you will fall over the rock.

`12`. If you are careless, you will break the vase.

`13`. If you are not quiet, you will not understand the lesson.

`14.` If we keep our neighborhood clean, we will have an ideal place to live.

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`-` Câu điều kiện loại `1`:

`-` If + S + V(htd), S + will/should/can/may/... + V-inf

`-` Dùng để dự đoán một hành động, sự việc có thể xảy ra ở hiện tại hoặc tương lai