I. Give the correct form of the verb in brackets :

1. At the moment, my sisters (play) ________ volleyball and my brother (play) _______soccer . 

2. I ( see) ___________ the accident when I was waiting for the taxi.

3. If she passes the exam, she ___________ (be) very happy .

4. He (read) _________ this book so many times so far .

5. Tim always (shout)______________ at night . Nobody can sleep because of him .

6. Hung (help)____________his father with their housework at the moment .

7. She already ( watch) ________ this movie before .

8. It (rain) __________since I stopped my work .

9. In your opinion, ____________________ she ( be) a good teacher in the future?

10. Mr. Hien (go)________________on business to Hanoi every month .

11. I (not go) ______ to school last Sunday .

12. She ( not go ) ________ hang out with me 2 days before because she ( be ) __________ill .

13. I want ( travel ) ______to somewhere faraway , dear ! - What about ( go )______ to Sapa ?

14. Susan (invite )_______ us to come to her birthday party last Sunday . Let's ( go )________ there together .

15. I (be)__________ to London three times .

Choose the correct words.

He saw a big fish while / as soon as he was swimming across the lake.

As soon as / While I saw it, I swam away.

When / While he saw the accident, he went to help.

My dad was waiting for me at the station when / while I arrived.

I kissed my grandmother as soon as / while she opened the door.

We were standing at the bus stop when I while it started to rain.

While / As soon as we were exploring the mountain, we saw a deer.

Elena fell over as soon as / while she was playing tennis.

V. Choose the best answer

a. I ( met/ was meeting) a friend while I ( did/ was doing) the shopping

b. I ( turned/ was turning) round and ( saw/ was seeing) Paula

c. She ( worn/ was wearing) a bright red hat at 8 o'clock last night

d. I (paid/ was paying) for my things when I (heard/ was hearing) someone called my name

e. This time last Sunday, we ( took/ were taking) the final exam

f. While we ( had/ were having) a drink, a waiter ( dropped/ was dropping) a pile of plates

g. While they ( walked/ were walking) in the park,I ( worked/ was working) in the garden

h. My classmates ( waited/ were waiting) for me when I ( arrived/ was arriving)

i. The door bell ( rang/ was ringing) while he ( read/ was reading) an interesting novel

j. When Jane ( took/ was taking) a photograph for me , I ( had/ was having ) a bath

V. Choose the best answer

a. I ( met/ was meeting) a friend while I ( did/ was doing) the shopping

b. I ( turned/ was turning) round and ( saw/ was seeing) Paula

c. She ( worn/ was wearing) a bright red hat at 8 o'clock last night

d. I (paid/ was paying) for my things when I (heard/ was hearing) someone called my name

e. This time last Sunday, we ( took/ were taking) the final exam

f. While we ( had/ were having) a drink, a waiter ( dropped/ was dropping) a pile of plates

g. While they ( walked/ were walking) in the park,I ( worked/ was working) in the garden

h. My classmates ( waited/ were waiting) for me when I ( arrived/ was arriving)

i. The door bell ( rang/ was ringing) while he ( read/ was reading) an interesting novel

j. When Jane ( took/ was taking) a photograph for me , I ( had/ was having ) a bath

Exercise1: Change these sentences into positive or negative sentences, or a questionaccording to the instructions.

1. He was wearing a jacket.(question)

2. Minh wasn't carrying a bag.(question)

3. Was Ann washing her car at 8 o'clock yesterday?(positive)

4. My classmates were making a big cake for the Teacher's Day at that time.(negative)

5. Jane was smoking while his sister was cleaning the floor.(negative)

6. My children were watching TV when I come home.(question)

7. When the classes finished, it wasn't raining. (positive)

8. Were you waiting for her when the phoned?(positive)

Join the sentences by using while and when.
1) I hurt my knee. I was playing football.
(When) _____________________________________________________________________________________.
(While) _____________________________________________________________________________________.
2) They were talking about the exam results. The manager came in.
(When) _____________________________________________________________________________________.
(While) _____________________________________________________________________________________.
3) Gaye lost her wallet. She was walking in a crowded street.
(When) _____________________________________________________________________________________.
(While) _____________________________________________________________________________________.
4) Somebody stole my I-pod. I was speaking to a friend on the phone.
(When) _____________________________________________________________________________________.
(While) _____________________________________________________________________________________.
5) We were getting ready for the picnic. It started to rain.
(When) _____________________________________________________________________________________.
(While) _____________________________________________________________________________________.

2.                 Chọn đúng và khoanh tròn thì của các câu sau:

1.            I saw/ was seeing the accident when I was waiting for the taxi.

2.       What were you doing/ did you do when I phoned?

3.      They didn't visit/ weren't visiting their friends last summer holiday.

4.            It rained/ was raining heavily last July.

 While people were talking to each other, he read/ was reading his book.