I.

1. Have. you ever met (ever: đã từng -> HTHT)

2. throwing (instead of + V-ing)

3. did you go

4. don't like (If + present simple, future simple)

II.

1. weather 

2. for

3. of

4. walking 

III.

1. The oldest part of Stockholm is the Old Town.

2. There are about 3,000 people.

3. Yes, there. are.

4. It is awarded each year.

IV.

1. I have been to Hanoi three times. 

2. Where did you. play badminton yesterday?

3. In the future, robots will be able to understand what we say.

V.

1. If you. don't study harder, you won't pass the exam. (If + simple present, future simple)

2. I have never talked to a freiger before. (This is the first time + S + have/has + Vpp ... = I + have/has + never + Vpp ...)

3. In spite of his sickness, Peter continued to study his lesson. (In spite of + N/N phrase/V-ing, clause)

III

1 Have /meet ( HTHT)

2 throwing (có instead ở trước)

3 did you go ( quá khứ)

4 don't like (chia theo thì hiện tại đơn )

C

I

1 weather 

2 for

3 of

4 walking 

II

1 It is the Old Town

2. There are about 3,000 people

3 Yes, there are

4 It is awarded each year

D

I

1=> I have been to Hanoi three times. 

2=> Where did you. play badminton yesterday?

3=> In the future, robots will be able to understand what we say.

II

1. If you. don't study harder, you won't pass the exam  (If mệnh đề ,tương lai đơn)

2. I have never talked to a freiger before  (It/This is the first time + S + have/has + V-ed/cột 3)

3. In spite of his sickness, Peter continued to study his lesson. (Despite/In spite of + N/N Phrase/V-ing+S2+V2)