`3.` When was that phone used by our teacher

- Câu hỏi bị động thì quá khứ đơn : Was/ Were + S + V phân từ 2

`4.` Why don't we go on a picnic this weekend 

- Cấu trúc: Why don't we + V-inf : Sao ta không làm gì đó

`5.` Let's watch a comedy 

- Cấu trúc: Let's + V-inf : Hãy làm gì đó

`6.` "Why don't we go to bed after taking some medicine?" said his friend

- Cấu trúc: Why don't we + V-inf : Sao ta không làm gì đó

`7.` What about eating and going to the amusement park 

- Cấu trúc: How/ What about + Noun pharse/Ving 

3. When was that phone used by our teacher?

4. Why don't we go on a picnic this weekend?

5. "Let's watch a comedy" he said.

6. "Why don't we go to bed after taking some medicine?" said his friend.

7. What about eaating and going to the amusement park ?

Giải thích:

3. Câu bị động thì quá khứ đơn dạng nghi vấn: Was/Were + S + VpII?

4. Cấu trúc Why don't we + Vinfinitive?: Lời mời ai đó làm gì (= How about/What about+ N/Ving?)

5. Cấu trúc Let's (=Let us) + Vinfinitive: Hãy cùng làm gì

6. Cấu trúc Why don't we + Vinfinitive?: Lời mời ai đó làm gì

7. Cấu trúc How/ What about + N/Ving?: Lời mời ai đó làm gì.

#MayLee