3: We must clean the board everyday

4: We mustn’t talk in class

5: We must do homework

6: We mustn’t litter on the room floor

1. We must arrive school on time.

(Chúng ta phải đến trường đúng giờ.)

2. We mustn't get out of class before breaktime.

(Chúng ta không được ra khỏi lớp trước giờ giải lao.)

3. We must raise our hands when we want to ask questions in classroom.

(Chúng ta phải giơ tay khi muốn đặt câu hỏi trong lớp học.)

4. We musn't gossip in class.

(Chúng tôi không nói chuyện phiếm trong lớp.)

5. We must be gentle with each other.

(Chúng ta phải đối xử tốt với nhau.)

6. We mustn't eat during lesson.  

(Chúng ta không được ăn trong giờ học.)

1 : We ....must......pick flowers in the school garden .

2 : Cars ......mustn't....... park in front of the entrance .

3 : We ....must.......... be careful when we cross the road .

4 : You ......mustn't..... use a mobile phone in the cinema .

5 : You .....must...... see that film . It 's fantas .

1 : must not

2: must not

3 : must

4 : must not

5 : musst

1 . We mustn't pick flowers in the school garden

2 . Cars mustn't park in front of the entrance

3 . We must be careful when we cross the road

4 . You mustn't use a moblie phone in the cinema

5 . You must see that film . It's fantas

1. You must/mustn't respect older people. You can learn some valuable lessons from them.

2. We don't have to/have to wear uniforms on weekdays. It's the rule at our school.

3. You should/mustn't ask your parents for permission if you want to colour your hair.

4. In the past, women had to/must do all house work. It was one of their duties.

1: must

2: have to

3: should

4: had to

1. We ....must........ go to school on time.
2. We......mustn't.........make noise in the library.
3. He ....must........ listen to the teacher carefully.
4. We.....mustn't........walk on the grass.
5. Students....must........practice speaking English every day.
6. You.......mustn't........play soccer in the street.

Combine these sentences , using which , where , when :

1; hà nội is the place . i’d like to come to hà nội

=> hà nội is where i’d like to come to.

2 summer is the time . the weather is very hot then

=> summer is when the weather is very hot then.

3 the bed was comfortable . i slept in it last night

=>the bed which i slept in last night was comfortable.

4 i never forget the park . we met each other for the first time at this park

=> i never forget the park where we met each other for the first time .

5 i do not know the reason . she left school for it

=> i do not know the reason why she left school.

6 we have not decided the day . i will go to london on that day

=> we have not decided the day which i will go to london.

7 our school has a good laboratory . the students practice chemistry in the laboratory

=>our school has a good laboratory where the students practice chemistry

8 our school has a good laboratory. Mr John designed it in

=> our school has a good laboratory where Mr John designed.

9 ) 7 : 30 is the time . my plane will arrive then

=> 7 : 30 is the time when my plane will arrive

10 i love my parent’s house . i was born in that house

=>i love my parent’s house where i was born.

I. Complete the sentences with the correch form or the verbs in brackets

1. My cousin......was...(be) in canada two years ago

2. They.....has been.....(be) to london many times this year.

3. Tomorrow we ......are going to cycle....(cycle) around to discover the city.

4. At the moment I .....am staying....(stay) at a very nice hoter in the south of France.

5. When I was young , we ......didn't do...... (not do) much sport at school.

6. Mrs. Hudson is my maths teacher. She ......has taught....... (teach) for four years.

7. Last year I .....went...... (go) on a school trip to Scotland. We .....had...... (have) a very interesting time.

8. Could you meet me at the bus station? My bus .....arrives....... (arrive) at six.

-You………must….. walk on the pavement
-Look at the sign “ No parking “. You ………mustn't…… park here
-……Can…… you help me with this homework ?
-Children ……can't……. Play football in the streets
-We ……can…… wear jeans at school
-We ………can…….. talk in here
-You ………can… do that later

Complete the sentences with can, can't, must and mustn't:

- You ......mustn't...... walk on the pavement.

- Look at the sign " No parking". You ....mustn't....... park here.

- ....Can......... you help me with this homework?

- Children ......mustn't......... play fooball in the streets.

- We ..........mustn't...... wear jeans at school.

- We .....mustn't........... talk in here.

- You .......can't............ do that later.

4. I never forget the park. We met each other for the first time at this park.
I never forget the park where we met each other for the first time

5 I do not know the reason . She left school for it

=> I do not know the reason for which she left school

6. We have not decided the day . I’ll go to london on that day

=>We have not decided the day when I’ll go to london

7. Our school has a good laboratory . The students practice chemistry in the laboratory

=>Our school has a good laboratory where the students practice chemistry

8. Our school has a good laboratory . Mr John designed it in 2000

=>Our school has a good laboratory where Mr John designed it in 2000

9. 7:30 is the time . My plane will arrive then

=>7:30 is the time when my plane will arrive

10 I love my parents’s house . I was born in that house

=>I love my parents’s house where I was born

22.We first met in 1945 . The revolution took place then.

=>We first met in 1945 when the revolution took place

cau 1 : combine these sentences , using WHICH , WHERE , WHEN :

1 ha noi is the place . i’d like to come to ha noi

ha noi is the place to which i’d like to come

2 summer is the time . the weather is very hot then

summer is the time when the weather is very hot

3 the bed was comfortable . i slept in it last night

the bed which i slept in last night was comfortable .

4 i never forget the park . we met each other for the first time at this park

i never forget the park where we met each other for the first time

5 i do not know the reason . she left school for it

i do not know the reason for which she left school

6. we have not decided the day . i’ll go to london on that day

we have not decided the day when i’ll go to london

7. our school has a good laboratory . the students practice chemistry in the laboratory

our school has a good laboratory where the students practice chemistry

8. our school has a good laboratory . mr john designed in it

our school has a good laboratory where mr john designed

9. 7:30 is the time . my plane will arrive then

7:30 is the time when my plane will arrive

10 i love my parents’s house . i was born in that house

i love my parents’s house where i was born