(+) They must clean their class everyday

(-) They mustn't clean their class everyday

(?) Do they have to clean their clas everyday?

(+) They must clean their class everyday.

(-) They mustn't clean their class everyday.

(?) Must they clean their class everyday?

Positive: He drives to work every day.

Negative: He doesn't drive to work every day.

Question: Does he drive to work every day?

eating ice cream

taking photos

Ha's writing a letter

playing badminton

's drawing a picture

1 are not eating ice cream

2 are taking photos

3 is writing

4 are playing

5 is not drawing a picture

Lỗi ảnh rùi 

Ảnh lỗi nha

Exercise 1: Rewrite each sentence as a positive, negative, or question:

1.      He (watch) ______________is watching______________________TV right now.

2.      At present they (sit) _______are sitting____________________ in the class.

3.      This year we (learn) __________are learning_______________ English.

4.      Look! Peter (play) _________is playing_____________ football in the schoolyard.

5.      Be quiet! The baby (sleep) _______is sleeping________________________.

6.      Look! The man (smoke) ___________is smoking_________________ there.

7.      She (write) ____________is writing___________ to her parents now.

8.      My father (work) __________is working_________________in the garden at the moment.

9.      John (listen) _____________is listening________________ to the radio now.

10.   He (play) __________is playing_____________chess at the moment.

1.      The workers (work) ___________are working___________ in the firm at the moment.

2.      Please be quite!  You (make) ___ __are making_______________so much noise so I can’t concentrate.

3.      Tony (have) ____is having___________ ___a bath at the moment.

4.      Listen! He (read) _________is reading____________a story by Shakespeare.

5.      At present Richard (study) _____is studying__________in London.

6.      This term I (study) _______am studying________philosophy and economics.

7.      Janet (have) _________is having______a shower at the moment.

8.      They (not/study) _________aren't studying______at present.

9.      Yukiko (have) ________is having_______a bath now.

10.   We (make) _________are making______a cake at the moment.

11.   Jane (watch) _______is waching________television at the moment.

12.   Look! The boy (cry) _____is crying_______________.

13.   Alice and Mary (put) _______are putting____ the dishes away right now.

14.   The farmer (work) _______is working__________ in the field now.

15.   Look! It (snow) ________is snowing_______.

16.   Phong (sleep) ________is sleeping_______ right now.

17.   Mother (cook) _________is cooking_______ some food in the kitchen at present.

18.   Just a minute! I (look up) _____am looking up_________ that word in the dictionary.

19.   _______Are________you (write) ___writing___________ a letter now?

20.   They (not read) ________aren't reading____________ books in the sitting room right now.

21.   Look! They (play) ___are playing______________ football.

22.   She (sweep) _____is sweeping__________ the floor now.

23.   What_______is_ she (do) ______doing______ now?

24.   She (wash) _____is washing_________ the clothes at the moment.

25.   Listen! Peter and Daisy (sing) _______are singing_________ now.

26.   My brother (not watch) _____isn't watching______TV now. He (wash) _is washing_________ his car.

27.   He (study) _____is studying________ English this month.

28.   ____Are____you (work) ____working______ in the garden now?

29.   Peter (talk) __________is talking______ to Susan now.

30.   She (listen) ____is listening___________to the radio in her bedroom at the moment.

3. A. positive B. negative C. tug D. future

4. A. games B. tables C. sentences D. movies

5. A. booked B. placed C. missed D. acted

d

c

d

I.

1. At this time yesterday we (play) __were playing____ tennis in the schoolyard.

2. At 7:00 pm yesterday i (watch) ___was watching ___ TV.

3. Yesterday while my father (watch) __was watching___ TV, my mother (read) was reading the newspaper, my sister (do) __was doing____ her homework and I (play) ___was playing_____ chess with my friend.

4. What were you doing when I phoned you? I (have) __was having_____ a bath.

5. She (do) ____was doing______ her homework at the time yesterday.

6. Mary (water) ____was watering____ the flowers at 3:00 p.m yesterday.

7. They (visit) __were visiting____ the zoo at ten o'clock yesterday.

8. Peter and I (do) ___were doing____ the exercise at this time last night.

9. Last night my father (feed) ___was feeding__ the pigeons at 7:00.

10. At this time last year we (learn) __were learning_____ English in London.

II.

1. When I (arrive) ..arrived ..at this house, he was still sleeping(sleep) .

2. The light (go) ..went ...out while we (have) were having dinner.

3. Bill (have) ..was having..breakfast when I (stop) ..stopped ..at this house this morning.

4. She (wash) was washing....up when Vinh (arrive) ..arrived..at this house.

5. As we (cross) .were crossing...the Street, we (see) ...saw ..an accident.

6. Tom (see) ..saw....a serious accident while he (stand)was standing at the bus stop.

7. The children (play) ..were playing...football when their mother (come) ...came ... back home.

8. The bell (ring)rang while Tom (take) was taking a bath.

9. He (sit)was sitting in a car when I (see)saw him.

10. We (clean) were cleaning the house when she (come) came yesterday.

Exercise 1: Rewrite each sentence as a positive, negative, or question:

Example:    At this time yesterday they (play) __were playing___ football.

                  At this time yesterday they were not playing football.

                  At this time yesterday were they playing football?         

1.      At this time yesterday we (play) __________________ tennis in the schoolyard.

2.      At 7:00 pm yesterday (watch) ________________________ TV.

3.      Yesterday while my father (watch) _____was watching________________ TV, my mother was reading (read) the newspaper, my sister (do) _____________was doing__________her homework and I (play) ______was playing______ chess with my friend.

4.      What were you doing when I phoned you?  I (have) ______was having______________a bath.

5.      She (do) _______was doing___________________her homework at the time yesterday.

6.      Marry (water) _______was watering_______________the flowers at 3:00 p.m yesterday.

7.      They (visit) __________were visiting________________the zoo at ten o’clock yesterday.

8.      Peter and I (do) ____were doing_________________the exercise at this time last night.

9.      Last night my father (feed) ___was feeding_____________________the pigeons at 7:00.

10.   At this time last year we (learn) ________were learning_______________English in London.

Exercise 2: Put the verb in the past simple tense or the past continuous:

1.      When I (arrive) ______arrived______ at this house, he still (sleep) ________was sleeping______.

2.      The light (go) ______went___ out while we (have) ____________was having_____dinner.

3.      Bill (have) _______was having_________ breakfast when I (stop) ______stopped_______ at this house this morning.

4.      When I (arrive) ________arrived___________at this house, he still (sleep) _________________was sleeping_______.

5.      As we (cross) ______were crossing________________the Street, we (see) __________saw___________an accident.

6.      Tom (see) _____saw_________a serious accident while he (stand) ____________was standing______at the bus stop.

7.      The children (play) ________were playing_________ football when their mother (come) _____came______back home.

8.      The bell (ring) ___________rang___________while Tom (take) ____________was taking_______ a bath.

9.      He (sit) ________was sitting______________in a car when I (see) ________________saw______him.

10.   We (clean) _________were cleaning____________the house when she (come) _________came______yesterday.

Thu gọn

1.      At this time yesterday we (play) ______were playing____________ tennis in the schoolyard.

2.      At 7:00 pm yesterday (watch) _________was/were watching_______________ TV.

3.      Yesterday while my father (watch) _______was watching______________ TV, my mother (read)  was reading the newspaper, my sister (do) _________was doing______________her homework and I (play) _____was playing _______ chess with my friend.

4.      What were you doing  when I phoned you?  I (have) _______was haing_____________a bath.

5.      She (do) _________was doing_________________her homework at the time yesterday.

6.      Marry (water) _______was watering_______________the flowers at 3:00 p.m yesterday.

7.      They (visit) ________were vitting__________________the zoo at ten o’clock yesterday.

8.      Peter and I (do) _________were doing____________the exercise at this time last night.

9.      Last night my father (feed) ______was feeding__________________the pigeons at 7:00.

10.   At this time last year we (learn) _____were learning__________________English in London.

Exercise 2: Put the verb in the past simple tense or the past continuous:

1.      When I (arrive) _____arrived_______ at this house, he still (sleep) _____sleeping_________.

2.      The light (go) __went_______ out while we (have) _____were having____________dinner.

3.      Bill (have) _____was having___________ breakfast when I (stop) ______stopped_______ at this house this morning.

4.      When I (arrive) _____arrived______________at this house, he still (sleep) ______sleeping__________________.

5.      As we (cross) _______were crossing_______________the Street, we (see) __________saw___________an accident.

6.      Tom (see) ____saw__________a serious accident while he (stand) ________was standing__________at the bus stop.

7.      The children (play) _____were playing____________ football when their mother (come) _____came______back home.

8.      The bell (ring) ________rang______________while Tom (take) ______was taking_____________ a bath.

9.      He (sit) __________was stting____________in a car when I (see) ________saw______________him.

10.   We (clean) _______were cleaning______________the house when she (come) _____came__________yesterday.

2) 1 was still sleeping