- Câu diễn tả hành động đang xảy ra trong quá khứ thì có 1 hành động khác xen vào.

- Hành động đang xảy ra chia ở thì quá khứ tiếp diễn: S + was/were + V-ing

- Hành động xen vào chia ở thì quá khứ đơn: S + Ved/V2

=> When they were watching TV, the electricity went out. 

Tạm dịch: Khi họ đang xem TV thì mất điện.

1. What  …does….your father usually (do) ……do…… in the evenings? - He usually (watch) …watches….......TV.

2. We enjoy (swim) …………swimming……….…… in summer.

3. Hurry up! The bus (come)………is coming…………near.

4. Lan (not eat) …………hasn't eaten…………..anything for 10 hours.

5. This school (must/ rebuild)……………must be rebuilt………………..soon.

6. I (send ) …………will send…… you a letter when I come to London next month.

7. ……Is ……he (travel) ……………going to travel……… to Hai Phong tomorrow?

8. Children should (drink) …………drink…………milk everyday.

9. It’s time we (walk) ……………walked…………home now.

10. Let me (introduce) …………introduce……………… myself to you.

11. It is necessary for you (turn)…………to turn………….off the lights when going out

12. Whenever the teacher comes in, we stop (talk)…………talking………………

Đáp án là: are - doing.

TL

1.watching

2.listens

hok tốt

@Lâm

Đáp án là: are washing.

Đáp án là: am doing.

Đáp án là: is reading.

Đáp án là: is cleaning.

1 is watching

2 listens

3 studies

4 are going to visit

5 go

 Give the correct form of the verbs in brackets.

1. Now my father (watch) is watching TV in the living room.

2. She (listen) listens to music every day.

3. Nam (study) studies English on Wednesdays.

4. We (visit) are going to visit our friends this afternoon.

5 I(go) go to school by bus every day.