1. Please let us know if the teacher.......................(will come, coming, comes, came) 2. If you.............to pass the exam, you should try harder. (wanted, want, will want, would want) 3. I.......................to Lan’s birthday if she invites me. (go, will go, went, are going) 4. They have to ask for their parents’ permission if they.........................out after school. (go, will go, went, are going) 5. If Lan.............to lose some weight, she must do more exercises. (wanted, wants, want, will want) 6. If it....................tomorrow, we won’t go on a camping trip. (will rain, rains, rain, would rain) 7. If the teacher.............us some homework, we have to stay home and do it. (gives, give, will give, gave) 8. If they study hard, they........................the final exam. (will pass, would pass, passing, passed)

1. Please let us know if the teacher.......................(will come, coming, comes, came)

Cách làm 1: Sử dụng cấu trúc điều kiện loại 1: If + thì hiện tại đơn, thì tương lai đơn
Trả lời: Please let us know if the teacher comes.

Cách làm 2: Sử dụng cấu trúc đảo ngữ với động từ "will"
Trả lời: Please let us know if the teacher will come.

2. If you.............to pass the exam, you should try harder. (wanted, want, will want, would want)

Trả lời: If you want to pass the exam, you should try harder.

3. I.......................to Lan’s birthday if she invites me. (go, will go, went, are going)

Trả lời: I will go to Lan's birthday if she invites me.

4. They have to ask for their parents’ permission if they.........................out after school. (go, will go, went, are going)

Trả lời: They have to ask for their parents' permission if they go out after school.

5. If Lan.............to lose some weight, she must do more exercises. (wanted, wants, want, will want)

Trả lời: If Lan wants to lose some weight, she must do more exercises.

6. If it....................tomorrow, we won’t go on a camping trip. (will rain, rains, rain, would rain)

Trả lời: If it rains tomorrow, we won't go on a camping trip.

7. If the teacher.............us some homework, we have to stay home and do it. (gives, give, will give, gave)

Trả lời: If the teacher gives us some homework, we have to stay home and do it.

8. If they study hard, they........................the final exam. (will pass, would pass, passing, passed)

Trả lời: If they study hard, they will pass the final exam.

3. I will go to Lan’s birthday if she invites me.

2. If you want to pass the exam, you should try harder.

1. Please let us know if the teacher comes.