Supply the correct verb form and point out the tenses of the sentences below 
1. what you (do ) at 6 pm yesterday 
2. Before Alice (go) to sleep,she (call) her family 
3. He (teach) in this school before he (leave) for England 
4. when John and I got to the theatre, the movie (start) already 
5. we will go out when the rain (stop) 
6. I (stay) here until he ( answer) me 
7. wait until I (catch) you 
8. miss Alen (help) you as soon as she (finish) that letter tomorrow 
9. I (wait) here until you (come) back tomorrow 
10. my mother ( come ) to stay with us next weekend 
11. don't leave until you (see) her 
12. we ( start) our plan next Sunday 
13. he (work) on the report at this time tomorrow
14. I'm sure they (complete) the new road by June 
15.  at this time tomorrow,we (drive ) through Pennsylvania
16. who (look) after the children when you are away ? 
17. by November I (work ) for this company for 6 years 
18. by March 15, I (be) here for one year 
19. we (move) to our new house at Christmas this year 

Supply the correct verb form and point out the tenses of the sentences below 
1. Be quiet ! The baby ( sleep)
2. We seldom (eat) before 6:30 
3. Look ! the man (run) the train.He (want) to catch it 
4. The sun (set) in the West 
5. It ( rain) much in summer.It ( rain) now
6. I (do) an  exercise on the present tensen at the moment and I (think) that I (know) how to use it now 
7.It (rain) much in summer.It (rain) now 
8. Daisy (cook) some food in the kitchen at present.She always (cook) in the morning 
9.I (see) her last year 
10. what (do) you do yesterday 
11. You (watch) TV last night 
12. She (be) born in 1980 
13. They (pay) a visit to us last summer 
14. He (start) learning English when he (be) a child
15. she (spend) five days paiting her house two weeks ago 
16.Listen ! Someone (knock) at the door 
17. Up to the present,we (write) aloms every lesson in the book 
18.That house (belong) to Mr Green 
19. Rivers usually (flow) to the sea 
20. I (move) to Ho Chi Minh city 3 years ago to learn English 
21. When I (arrive) this house,he still (sleep)
22. The light ( go out) when we (have) dinner 
23. Bill (have) breakfast when I (stop) at this house this morning 
24. As we (cross) the street, we (see) an accident 
25. Tom (see) a serious accident while he (stand) at the bus stop 
26. While my father ( read) the newspaper,I (learn) my lessonand my sister (do) her homework 
27. The children (play) football when their mother (come) back home 
28. The bell (ring)  while Tom (take ) a bath 
29. I (wait) tired because I (work) all day yesterday 
30. While I (walk) along the street, I (see)  an old friend 
31. How long you (study) English ? for 5 years 
32. I ( wait) for two hours,but she ( not come) yet 
33. They (live) in Ho Chi Minh City since 1975 
34. She ( read) all the books written by Dickens.How many books you ( read) 
35. He (not, be) here since Chrismast,I  wonder where he (live) since t hen 
36. Jack (go) to Paris for a holiday. He never (be) there 
37. You (sleep) sofar?  I (eing) the bell for the last twenty minutes 
38. He (write) a novel for two years,but he (not/finish) yet 
39. Mary (lose0 her hat and she (look) for it until now 
40. I ( see) that film several times because I like it 
41. How many times you (see) him since he (go) to Edinburgh? 
42. We (be from France.We (be) thre for 20 years 
43. I (see) her before 
44. Mr Green 9teach) English in this school since he ( graduate) from the university in 1986 
45. They ( go ) home after they (finish) their work 
46. She said that she (already,see) Dr.Rice 
47. When we came to the stadium,the match (already,begin)
48. They told me they (not,eat) such kind of food before 
49. After he ( gone) we (sit) down and (rest) 
50. After taking a bath,he ( go) to bed 
51.It was the first time I (ever, see) such a beautiful girl 

Supply the correct verb form and point out the tenses of the sentences below 
1. Be quiet ! The baby ( sleep)
2. We seldom (eat) before 6:30 
3. Look ! the man (run) the train.He (want) to catch it 
4. The sun (set) in the West 
5. It ( rain) much in summer.It ( rain) now
6. I (do) an  exercise on the present tensen at the moment and I (think) that I (know) how to use it now 
7.It (rain) much in summer.It (rain) now 
8. Daisy (cook) some food in the kitchen at present.She always (cook) in the morning 
9.I (see) her last year 
10. what (do) you do yesterday 
11. You (watch) TV last night 
12. She (be) born in 1980 
13. They (pay) a visit to us last summer 
14. He (start) learning English when he (be) a child
15. she (spend) five days paiting her house two weeks ago 
16.Listen ! Someone (knock) at the door 
17. Up to the present,we (write) aloms every lesson in the book 
18.That house (belong) to Mr Green 
19. Rivers usually (flow) to the sea 
20. I (move) to Ho Chi Minh city 3 years ago to learn English 
21. When I (arrive) this house,he still (sleep)
22. The light ( go out) when we (have) dinner 
23. Bill (have) breakfast when I (stop) at this house this morning 
24. As we (cross) the street, we (see) an accident 
25. Tom (see) a serious accident while he (stand) at the bus stop 
26. While my father ( read) the newspaper,I (learn) my lessonand my sister (do) her homework 
27. The children (play) football when their mother (come) back home 
28. The bell (ring)  while Tom (take ) a bath 
29. I (wait) tired because I (work) all day yesterday 
30. While I (walk) along the street, I (see)  an old friend 
31. How long you (study) English ? for 5 years 
32. I ( wait) for two hours,but she ( not come) yet 
33. They (live) in Ho Chi Minh City since 1975 
34. She ( read) all the books written by Dickens.How many books you ( read) 
35. He (not, be) here since Chrismast,I  wonder where he (live) since t hen 
36. Jack (go) to Paris for a holiday. He never (be) there 
37. You (sleep) sofar?  I (eing) the bell for the last twenty minutes 
38. He (write) a novel for two years,but he (not/finish) yet 
39. Mary (lose0 her hat and she (look) for it until now 
40. I ( see) that film several times because I like it 
41. How many times you (see) him since he (go) to Edinburgh? 
42. We (be from France.We (be) thre for 20 years 
43. I (see) her before 
44. Mr Green 9teach) English in this school since he ( graduate) from the university in 1986 
45. They ( go ) home after they (finish) their work 
46. She said that she (already,see) Dr.Rice 
47. When we came to the stadium,the match (already,begin)
48. They told me they (not,eat) such kind of food before 
49. After he ( gone) we (sit) down and (rest) 
50. After taking a bath,he ( go) to bed 
51.It was the first time I (ever, see) such a beautiful girl 

Supply the correct verb form and point out the tenses of the sentences below 
1. Be quiet ! The baby ( sleep)
2. We seldom (eat) before 6:30 
3. Look ! the man (run) the train.He (want) to catch it 
4. The sun (set) in the West 
5. It ( rain) much in summer.It ( rain) now
6. I (do) an  exercise on the present tensen at the moment and I (think) that I (know) how to use it now 
7.It (rain) much in summer.It (rain) now 
8. Daisy (cook) some food in the kitchen at present.She always (cook) in the morning 
9.I (see) her last year 
10. what (do) you do yesterday 
11. You (watch) TV last night 
12. She (be) born in 1980 
13. They (pay) a visit to us last summer 
14. He (start) learning English when he (be) a child
15. she (spend) five days paiting her house two weeks ago 
16.Listen ! Someone (knock) at the door 
17. Up to the present,we (write) aloms every lesson in the book 
18.That house (belong) to Mr Green 
19. Rivers usually (flow) to the sea 
20. I (move) to Ho Chi Minh city 3 years ago to learn English 
21. When I (arrive) this house,he still (sleep)
22. The light ( go out) when we (have) dinner 
23. Bill (have) breakfast when I (stop) at this house this morning 
24. As we (cross) the street, we (see) an accident 
25. Tom (see) a serious accident while he (stand) at the bus stop 
26. While my father ( read) the newspaper,I (learn) my lessonand my sister (do) her homework 
27. The children (play) football when their mother (come) back home 
28. The bell (ring)  while Tom (take ) a bath 
29. I (wait) tired because I (work) all day yesterday 
30. While I (walk) along the street, I (see)  an old friend 
31. How long you (study) English ? for 5 years 
32. I ( wait) for two hours,but she ( not come) yet 
33. They (live) in Ho Chi Minh City since 1975 
34. She ( read) all the books written by Dickens.How many books you ( read) 
35. He (not, be) here since Chrismast,I  wonder where he (live) since t hen 
36. Jack (go) to Paris for a holiday. He never (be) there 
37. You (sleep) sofar?  I (eing) the bell for the last twenty minutes 
38. He (write) a novel for two years,but he (not/finish) yet 
39. Mary (lose0 her hat and she (look) for it until now 
40. I ( see) that film several times because I like it 
41. How many times you (see) him since he (go) to Edinburgh? 
42. We (be from France.We (be) thre for 20 years 
43. I (see) her before 
44. Mr Green 9teach) English in this school since he ( graduate) from the university in 1986 
45. They ( go ) home after they (finish) their work 
46. She said that she (already,see) Dr.Rice 
47. When we came to the stadium,the match (already,begin)
48. They told me they (not,eat) such kind of food before 
49. After he ( gone) we (sit) down and (rest) 
50. After taking a bath,he ( go) to bed 
51.It was the first time I (ever, see) such a beautiful girl 

Supply all continuous tenses
1. they (play)..... volleyball for half an hour when it began to rain 
2.please don't make so much noise .I (study).........
3. when I get my diploma,I (study).......at the Ha Noi University for two years 
4. that man over these is bright red.I think he (sunbathe)............
5. By 7 o'clock this evening ,the children( wwatch) ...... TV for four hours 
6. when the boys came into the house, their clothes were dirty,their hair was untidy and one had a black 
7. you'll recognize her when you see her.she (wear)..... a yellow hat 
8. while I (work)........ in the garden,I hurt my back 
9. they (wait).......... for over an hour 
10. this time next week I'll be on holiday.I (probably,lie).............. on a beautiful beach 

20. Were you aware _____  the regulations against smoking in this area ?

A. in

B. with

C. of

D. about

21. One meter is approximately equal _____  a yard.

A. about

B. on

C. to

D. with

22. Jane doesn't spend much money _____ clothes.

A. over

B. about

C. at

D. on

23. She always takes good care _____ her children.

A. for

B. in

C. of

D. with

24. William insists _____  getting up early, even on weekends.

A. on

B. to

C. toward

D. for

25. What does this symbol refer_____  ?

A. on

B. to

C. for

D. toward

26. The accident resulted _____ several minor injuries.

A. on

B. in

C. of

D. at

27. Congratulations _____ your success!

A. to

B. on

C. in

D. up

28. Mrs. Liz was accused _____ having stolen the car.

A. of

B. with

C. in

D. upon

29. We are here to provide you _____ the best service possible.

A. of

B. with

C. to

D. for

30. He has been absent _____ school very often lately.

A. from

B. on

C. in

D. with

31. Vehicles also account _____  air pollution in the cities.

A. on

B. at

C. for

D. in

32. Last night I was invited _____  a formal get-together and I enjoyed myself a great deal.

A. to

B. at

C. for

D. about

33. The police blamed the mother_____ neglecting her child.

A. to

B. for

C. with

D. of

34. They prevented me _____  talking to that woman .        

A. from

B. on

C. with

D. at

35. Take the number 7 bus and get __________ at Forest Road.

A. up

B. down         

C. off

D. outside

36. If you want to join this club, you must__________ this application form.

A. make up

B. write down

C. do up

D. fill in

37. The water company will have to_______ off water supplies while repairs to the pipes are carried ___________.

A. take/in

B. cut/out

C. set/up

D. break/to

38. He wanted to______ off all his work before he came to the cinema with us.

A. finish

B. stop

C. end

D. put

39. They were 30 minutes later  because their car _______ down.

A. got

B. put

C. cut

D. broke

40. That problem is _______ them. We can’t  make _______ our mind yet.

A. out off/on

B. up to/up

C. away from/for

D. on for/off

a)Gọi công thức tổng quát hai kim loại A,B là R có hóa trị II

R
+
2
H
C
l
→
R
C
l
2
+
H
2
Theo PTHH, 
n
R
=
n
H
2
=
4
,
48
22
,
4
=
0
,
2
(
m
o
l
)
⇒
M
R
=
6
,
4
0
,
2
=
32
(
g
/
m
o
l
)
Vì A,B ở 2 chu kì liên tiếp mà 
M
M
g
<
M
R
<
M
C
a
Suy ra hai kim loại A,B là Mg và Ca

b) Gọi 
n
M
g
=
a
(
m
o
l
)
;
n
C
a
=
b
(
m
o
l
)
⇒
24
a
+
40
b
=
6
,
4
(
1
)
n
M
g
+
n
C
a
=
a
+
b
=
0
,
2
(
2
)
Từ (1)(2) suy ra a = b = 0,1

%
m
M
g
=
0
,
1.24
6
,
4
.100
%
=
37
,
5
%
 
%
m
C
a
=
100
%
−
37
,
5
%
=
62
,
5
%

a)Gọi công thức tổng quát hai kim loại A,B là R có hóa trị II

R
+
2
H
C
l
→
R
C
l
2
+
H
2
Theo PTHH, 
n
R
=
n
H
2
=
4
,
48
22
,
4
=
0
,
2
(
m
o
l
)
⇒
M
R
=
6
,
4
0
,
2
=
32
(
g
/
m
o
l
)
Vì A,B ở 2 chu kì liên tiếp mà 
M
M
g
<
M
R
<
M
C
a
Suy ra hai kim loại A,B là Mg và Ca

b) Gọi 
n
M
g
=
a
(
m
o
l
)
;
n
C
a
=
b
(
m
o
l
)
⇒
24
a
+
40
b
=
6
,
4
(
1
)
n
M
g
+
n
C
a
=
a
+
b
=
0
,
2
(
2
)
Từ (1)(2) suy ra a = b = 0,1

%
m
M
g
=
0
,
1.24
6
,
4
.100
%
=
37
,
5
%
 
%
m
C
a
=
100
%
−
37
,
5
%
=
62
,
5
%

a)Gọi công thức tổng quát hai kim loại A,B là R có hóa trị II

R
+
2
H
C
l
→
R
C
l
2
+
H
2
Theo PTHH, 
n
R
=
n
H
2
=
4
,
48
22
,
4
=
0
,
2
(
m
o
l
)
⇒
M
R
=
6
,
4
0
,
2
=
32
(
g
/
m
o
l
)
Vì A,B ở 2 chu kì liên tiếp mà 
M
M
g
<
M
R
<
M
C
a
Suy ra hai kim loại A,B là Mg và Ca

b) Gọi 
n
M
g
=
a
(
m
o
l
)
;
n
C
a
=
b
(
m
o
l
)
⇒
24
a
+
40
b
=
6
,
4
(
1
)
n
M
g
+
n
C
a
=
a
+
b
=
0
,
2
(
2
)
Từ (1)(2) suy ra a = b = 0,1

%
m
M
g
=
0
,
1.24
6
,
4
.100
%
=
37
,
5
%
 
%
m
C
a
=
100
%
−
37
,
5
%
=
62
,
5
%