Exercise 40: Complete the sentences by putting the verbs into the past simple or past progressive
1. The doorbell (ring)_rang_ while Tom (watch)_was watching_ TV last night.
2. How fast_were_ you (drive)_driving_ when the accident (happen)_happened_?
3. Anna (make)_were making_ dinner when Martin (arrive)_arrived_ home last Sunday.
4. The light (go)_went_ out while we (have)_were having_ dinner yesterday, but it (come)_came_ on again after ten minutes.
5. What_were_ you (do)_doing_at this time yesterday?
- I (work)_worked_ on the computer.
6. It suddenly (begin)_began_ to rain while Laura (sit)_was sitting_ in the garden.
7. Sam (take)_took_ a photograph of me while I (not look)_weren't looking_.
8. When I (see)_saw_ them, they (try)_were trying_ to find a new house near their work.
9. I (walk)_was walking_ along the street when I suddenly (feel)_felt_ something hit me in the back. I (not know)_didn't know_ what it (be)_was_.
10. Last night I (drop)_dropped_ a plate when I (do)_was doing_ the washing up. Fortunately it (not break)_didn't broken_.

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@mariongoc5454th

1) rang/ was watching ( When + simple past, + past continuous: Khi một hành động đang diễn ra thì một hành động khác xảy đến.)

2) was you driving/ happened (When + past continous, + simple past.)

3) were making/ arrived.(When + past continous, + simple past.)

4) was going/had/came.(giống câu trên)

5) was you doing/ was working (at this time yesterday là dấu hiệu nhận biết của thì QKTD)

6) )began/was sitting  ( simple past, + past continuous: Khi một hành động đang diễn ra thì một hành động khác xảy đến.)

7) took/ wasn't looking (past continous, + simple past.)

8) saw/ were trying (When + simple past, + past continuous)

9) was walking/ felt/ didn't know/ was

10) dropped/ was doing/ didn't break.(  simple past+  When + past continous)