1. If you don't keep silent, you'll wake the baby up.

2. If you don't stop talking, you won't understand the lesson.

3. If someone is a vegetarian, they don't eat meat

4. If you don't hurry up, you will miss the train.

5. If you don't shut up, you can't understand the lesson.

6. If you hurry, you won't miss the train.

7. If you don't go right now, you'll be late for the train.

8. If we don't hurry up, we will be late for the exam.

9. If you don't stop talking, you won't understand the lesson.

10. If you don't study harder, you'll get bad marks

` @ ` Đk loại 1:

-> If + S + V(s/es), S + model verbs ( HT ) + V - inf

`1`. If you don't keep silent, you'll wake the baby up.

`2`. If you don't stop talking, you won't understand the lesson.

`3`. If you are vegetarians, you shouldn't eat meat. (mang tính khuyên nhủ)

`-` If + S + am/is/are + adj/N, S + should (not) + V-bare

`4`. If you don't hurry up, you will miss the train.

`5`. If you don't shut up, you can't understand the lesson.

`6`. If you don't hurry up, you will miss the train

`7`. If you don't go right now, you'll be late for the train.

`8`. If you don't hurry up, you will be late for the exam.

`9`. If you don't stop talking, you won't understand the lesson.

`10`. If you don't study harder, you'll get bad marks.

`-----------`

`@` Câu điều kiện loại `1`:

`-` If + S + V(s/es), S + will/can/may + V-bare

`-` If + S + do/does + not + V-bare, S + will/can/may + V-bare

`=>` Diễn tả hành động có thể xảy ra ở hiện tại hoặc tương lai.