Ta có thể tìm các bội của một số khác 0 bằng cách nhân số đó lần lược cho 1, 2, 3, …

Ví dụ :

B(5) = {5.1, 4.2, 5.3, …} = {5, 10, 15, …}

Ta có thể tìm các ước của một số a (a > 1) bằng cách lần lược chia số a cho số tự nhiên từ 1 đến a để xét xem a chia hết cho những số nào, khi đó các số ấy là ước của a.

1 . parking                                                    6  eats                                                                   11 are                                     k

2 doesn' t work                                             7 helfing / is cleaning                                            12 don 't go                           và

3 are going / am going                                 8 flying / is landing                                                 13 play                                 kb

4 are going / are visiting                              9 are not going                                                       14 have                               nếu 

5 is driving                                                  10 am reading                                                          15 is                                  có thể 

1,park

2,doesn't work 

3,going /go

4,do / will visit

5,drives

6,eat

7, help/ cleaned 

8, is flying / is landing

9,  don't we go

10 , am reading 

11 Are there

12 , don't go

13 , are playing

14 , has 

15 , is

1. park

2. haven't been

3. closing

4. didn't do

3. walks -> is going

4. have been

5. didn't visit

6. go

7. to drink

8. didn't go

9. speaking

1. doesn't work
2. are going to visit
3. walks - goes
4. have been
5. didn't visit
6. go
7. to drink
8. didn't go

9. speking
:D

3. walks = is going

4. have been

5. didn't visit

6. go

7. to drink

8. didn't go

9. speaking

does not work

will visit

walks - is going

have been

did not visit

go

to drink

did not go

speaking

1. doesn't work
2. are going to visit
3. walks - goes
4. have been
5. didn't visit
6. go
7. to drink
8. didn't go

9. speking

1. Mary (not work) …doesn't work………… today because it's Sunday.

2. My father and I (visit) …will visit………… Ha Long Bay this summer vacation.

3. My sister always  (walk) ……walks………. to school but today she (go) ……goes………. by bike.

4. My family (be) ……have been……  to London many times.

5. Mrs. Vui (not visit) ……didn't visit………. her mother last night.

6. The light turns green, so you can (go) ……go………. straight ahead.

7. I’d like (drink) ……to drink………. some water now. I’m very thirsty.

8. Yesterday was Sunday. Mr Tam (not go)……didn't go……….go to school.

9. He enjoys (speak) …speaking……….English in his classroom.

put the verbs into correct tense or form

1. He IS still (do) ..DOING........... our work now. But he will go ..........OUT...... with you when he (finish) ....FINISHES.......... it

2. On my way home I often (meet) ...MEET............. many children who (go) ............GO....... to school

3. The sun (rise) ..........RISES.. in the east and (set) ............SETS.... in the west

4. Mary (not work ) ........DOESN'T WORK..... today because it's Sunday

5. My father and I (visit) .....AM GOING TO VISIT........Ha Long Bay this summer vacation

1. He is still (do) ........doing..... our work now. But he will go ................ with you when he (finish) .......finishes....... it

2. On my way home I often (meet) .......meet......... many children who (go) ...........go........ to school

3. The sun (rise) .......rises..... in the east and (set) ........sets....... in the west

4. Mary (not work ) ........didn't work..... today because it's Sunday

5. My father and I (visit) .....are going to visit........Ha Long Bay this summer vacation

1. you can ( park) ..park.. here because this signs say " praking ".
2.Mary ( not work ) ..doesn't work.. today because it's sunday.
3.where are you ( go) .going ... ? i ( go) ..am going.. to school
4.what did you ( do ) ..do.. this summer holiday ? we ( visit ) .visited... president HCM city's mausoleunm.
5.My brother (drive)....is driving....................his car into the garage at the moment.
6.you mustn't ( eat ) .eat.. food in he classroom.
7.. Let's (help)........help......... mom . She (clean).............is cleaning............... the floor
8..Look! The plane (fly) .....is flying................. towards the airport. It (land)....is going to land....
9.why don't we ( not go) ..do..... to Ha Long Bay this summer?
10.Where are you, Nam? I (read)..........am reading.............in my room
11.there ( be)..aren't.. any vegetables in the kitchen
12.my mother ( not live ) ...doesn't live..... in Ha Noi she ( live ) ..lives... in HCM
13.My school ( have ) ...has.. a garden and there ( be ) ...are.... many flowers
14. do you parent ( go ) ..go.. to work everyday?
15Nam ( wash ) washes his face at 6.15

1. you can ( park) ..park.. here because this signs say " praking ".
2.Mary ( not work ) ..doesn't work.. today because it's sunday.
3.where are you going ( go) .... ? i ( go) .am going... to school
4.what will you ( do ) .do... this summer holiday ? we ( visit ) ..will visit.. president HCM city's mausoleunm.
5.My brother (drive)...........is driving.............his car into the garage at the moment.
6.you mustn't ( eat ) ..eat.. food in he classroom.
7.. Let's (help).........help........ mom . She (clean)..............is cleaning.............. the floor
8..Look! The plane (fly) ..........is flying............ towards the airport. It (land)........
9.why don't we ( not go) ...go.... to Ha Long Bay this summer?
10.Where are you, Nam? I (read)...........am reading............in my room
11.there ( be).... any vegetables in the kitchen
12.my mother ( not live ) ....doesn't live.... in Ha Noi she ( live ) .lives.... in HCM
13.My school ( have ) ..has... a garden and there ( be ) ...are... many flowers
14.Do you parents ( go ) ..go. to work everyday?
15Nam ( wash ) washes his face at 6.15

1. park

2. doesn't work

3. are .... going / am going

4 . did .... do / visited

5 . is driving

6 . eat

7 . help / is cleaning

8 . is flying / is going to land 

9 . don't .... do

10 . am reading

11 . aren't

12 . doesn't live / lives

13 . has / are

14 . do ..... go

15 . washes

1didn't collect 2Have/done 3 Does/go 4Will/ visit

1. My younger sister didnt collect dolls two years ago.

2. Have you ever done volunteer work?

3. Does She often go to the market with her mother every weekend ?

4. will she visit Hue next month

You can park here because this sign says parking.

Trả lời:

You can (park) .park...here because this sign says parking.

~ HOK TỐT ~

Cho dạng đúng của từ trong ngoặc : 

You can (park) ......park....... here because the sigh says parking .

* Sau "can" là V (ng/m)

1. isn’t going to stop

2. are going to spend – will have

3. am going to drop – will take

4. am going to – won’t be