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must: phải làm gì (theo mong muốn của chủ thể)
have to: phải làm gì (theo mong muốn của người khác, chủ thể có phần bị thúc ép)
ought to: nên làm gì (sự khuyên bảo theo quy chuẩn xã hội; vd: You ought to obey your parents.)
Như vậy, khi muốn nói về những điều cần phải làm trùng với mong muốn chủ thể thì dùng must, nếu không trùng với mong muốn của chủ thể thì dùng have to. Ought to dùng khi diễn đạt lời khuyên, gợi ý theo quan điểm chung của xã hội.
Thân mến phản hồi đến em!
1 don't have to
2 mustn't steal
3 had to go
4 have to wear
5 must hurry
6 have had to wear
7 mustn't write
8 has to work
9 must stay
10 must get
11 have to wear
12 must leave
13 have to
14 mustn't lose
15 didn't have to
have to vs has to: phải
have to dùng với ngôi số nhiều và has to dùng với số ít, dùng giống với must
have vs has: có
has là dạng chia của have ở ngôi số ít
Trong thì HTHT, have và has là 2 TĐT, have với ngôi số nhiều, và has với ngôi số ít, theo sau là VP2
fill in the blank. sometimes both options are possible.
in my office you ____________(have to/ don't have to) wear a suit but lots of people do.
these pills________(must not/ don't have to) be taken if you are under twevel years old.
I _____(must/have to) leave now because I have a meeting.
I_______( didn't need to go/needn't have gone to) the station to pick her up because she decidedto get the bus so I finished my esay íntead
Nitice to all conference particpants : please note that you _________(must/ have got to) register before enterning
fill in the blank. sometimes both options are possible.
in my office you ____________(have to/ don't have to) wear a suit but lots of people do.
these pills________(must not/ don't have to) be taken if you are under twevel years old.
I _____(must/have to) leave now because I have a meeting.
I_______( didn't need to go/needn't have gone to) the station to pick her up because she decided to get the bus so I finished my esay íntead
Nitice to all conference particpants : please note that you _________must/ have got to register before enterning
Tham khảo
+ HAVE TO diễn tả nghĩa “phải” do xuất phát từ chủ quan người nói. Ví dụ: I have to brush my teeth twice a day.
+ MUST chỉ dùng được cho thì hiện tại hoặc tương lai, nhưng nếu muốn diễn tả ý nghĩa “phải” trong quá khứ, ta phải sử dụng
Have To. Ví dụ: I had to go to the dentist yesterday.
1. You mustn't cheat in exams.
2. If you need help, you should talk to your teacher.
3. I’m not thirsty, so I don’t need to stop and have a drink.
4. You don’t have to do this extra homework. It’s your choice.
5. We must arrive on time to school every day.
6. Rosie has to catch the next bus.
1You must return the books by this Friday.
A.The books must be returned by this Friday.
B.The books have be returned by this Friday.
C.The books must been returned by this Friday.
D.The books have to return by this Friday.
2She was still baking the bread in the kitchen.
A.The bread was still being baked in the kitchen.
B.The bread has still been baked in the kitchen.
C.The bread is still being baked in the kitchen
D.The bread was still baked in the kitchen.
3They are building a new bridge over the river.
A.A new bridge is going to build over the river.
B.A new bridge is built over the river.
C.A new bridge is building over the river.
D.A new bridge is being built over the river.
4This letter ought to be sent before October 30th.
A.I ought to be sending this letter before October 30th.
B.You ought to send this letter before October 30th.
C.We ought send this letter before October 30th.
D.They ought to have sent this letter before October 30th.
5People say that he is rich but stingy.
A.He is said it is rich and stingy of him.
B.He is said to be rich but stingy.
C.He is said that he is rich blit stingy.
D.He is said rich but stingy.
6The carpet will needs cleaning.
A.The carpet has cleaned.
B.The carpet hasn’t cleaned yet.
C.The carpet hasn’t been cleaned yet.
D.The carpet has been cleaned.
7We bought our house last year.
A.Our house was sold last year.
B.Our house has been bought for a year.
C.Our house was bought last year.
D.Our house has been bought since last year.
8You must never take your helmet off while you are riding a motorcycle.
A.Helmets must be worn at all times when riding a motorcycle.
B.Helmets should be taken off at all times when riding a motorcycle.
C.You must never wear your helmet while you are riding a motorcycle.
D.You must never take off your helmet.
9It’s necessary to have your car washed.
A.You have to wash your car.
B.You need washing your car.
C.You should wash your car.
D.Your car needs washing.
10They collect our rubbish twice a week.
A.Our rubbish are collected twice a week.
B.Our rubbish is collected twice a week.
C.Our rubbish is collect twice a week.
D.Our rubbish is collecting twice a week.
11You are not allowed to smoke here.
A.You can smoke here if you like.
B.Smoking is allowed here.
C.Smoking is banned here.
D.All are correct.
12Everyone must do their homework before class-time.
A.Everyone can enter the class unless they don’t do their homework.
B.Their homework must be done before class-time.
C.Everyone always does their homework before class - time.
D.If anyone doesn’t do their homework, they will be punished.
13Jane gave me a present on my last birthday.
A.I was gave a present on my last birthday by Jane.
B.I was given a present on my last birthday by Jane.
C.I was given a present by Jane on my last birthday .
D.I was given a present in my last birthday by Jane.
15The architect has drawn plans for an extension to the house.
A.Plans for an extension to the house has been drawn by the architect.
B.Plans for an extension to the house been drawn by the architect.
C.Plans for an extension to the house were drawn by the architect.
D.Plans for an extension to the house have been drawn by the architect.
16They think the owner of the house is abroad.
A.The owner of the house is thought to have been abroad.
B.The owner of the house is thought to being abroad.
C.The owner of the house is thought to been abroad.
D.The owner of the house is thought to be abroad.
17The mechanic serviced my car last week.
A.I had my car serviced by the mechanic last week.
B.I had my car service by the mechanic last week.
C.I had the mechanic serviced my car last week.
D.I had my car been serviced by the mechanic last week.
18The police has just released John.
A.John has just be released by the police.
B.John has just been release by the police.
C.John has just been released by the police.
D.John have just been released by the police.
19The robbers made the bank manager hand over on the money.
A.The bank manager is made to hand over on the money by the robbers.
B.The bank manager was made by the robbers to hand over on the money.
C.The bank manager has been made to hand over on the money by the robbers.
D.The bank manager was made to hand over on the money by the robbers.
20The leak was repaired by the plumber this morning.
A.The plumber repaired the leak this morning.
B.The plumber repairs the leak this morning.
C.The plumber repaired the leak that morning.
D.The plumber was repaired the leak this morning.
21Somebody stole his watch yesterday.
A.His watch is stolen yesterday.
B.His watch was stole yesterday.
C.His watch has been stolen yesterday.
D.His watch was stolen yesterday.
1 You must return the books by this Friday.
A.The books must be returned by this Friday.
B.The books have be returned by this Friday.
C.The books must been returned by this Friday.
D.The books have to return by this Friday.
2 She was still baking the bread in the kitchen.
A.The bread was still being baked in the kitchen.
B.The bread has still been baked in the kitchen.
C.The bread is still being baked in the kitchen
D.The bread was still baked in the kitchen.
3 They are building a new bridge over the river.
A.A new bridge is going to build over the river.
B.A new bridge is built over the river.
C.A new bridge is building over the river.
D.A new bridge is being built over the river.
4 This letter ought to be sent before October 30th.
A.I ought to be sending this letter before October 30th.
B.You ought to send this letter before October 30th.
C.We ought send this letter before October 30th.
D.They ought to have sent this letter before October 30th.
5 People say that he is rich but stingy.
A.He is said it is rich and stingy of him.
B.He is said to be rich but stingy.
C.He is said that he is rich blit stingy.
D.He is said rich but stingy.
6 The carpet will needs cleaning.
A.The carpet has cleaned.
B.The carpet hasn’t cleaned yet.
C.The carpet hasn’t been cleaned yet.
D.The carpet has been cleaned.
7 We bought our house last year.
A.Our house was sold last year.
B.Our house has been bought for a year.
C.Our house was bought last year.
D.Our house has been bought since last year.
8 You must never take your helmet off while you are riding a motorcycle.
A.Helmets must be worn at all times when riding a motorcycle.
B.Helmets should be taken off at all times when riding a motorcycle.
C.You must never wear your helmet while you are riding a motorcycle.
D.You must never take off your helmet.
9 It’s necessary to have your car washed.
A.You have to wash your car.
B.You need washing your car.
C.You should wash your car.
D.Your car needs washing.
10They collect our rubbish twice a week.
A.Our rubbish are collected twice a week.
B.Our rubbish is collected twice a week.
C.Our rubbish is collect twice a week.
D.Our rubbish is collecting twice a week.
11 You are not allowed to smoke here.
A.You can smoke here if you like.
B.Smoking is allowed here.
C.Smoking is banned here.
D.All are correct.
12 Everyone must do their homework before class-time.
A.Everyone can enter the class unless they don’t do their homework.
B.Their homework must be done before class-time.
C.Everyone always does their homework before class - time.
D.If anyone doesn’t do their homework, they will be punished.
13 Jane gave me a present on my last birthday.
A.I was gave a present on my last birthday by Jane.
B.I was given a present on my last birthday by Jane.
C.I was given a present by Jane on my last birthday .
D.I was given a present in my last birthday by Jane.
15 The architect has drawn plans for an extension to the house.
A.Plans for an extension to the house has been drawn by the architect.
B.Plans for an extension to the house been drawn by the architect.
C.Plans for an extension to the house were drawn by the architect.
D.Plans for an extension to the house have been drawn by the architect.
16 They think the owner of the house is abroad.
A.The owner of the house is thought to have been abroad.
B.The owner of the house is thought to being abroad.
C.The owner of the house is thought to been abroad.
D.The owner of the house is thought to be abroad.
17 The mechanic serviced my car last week.
A.I had my car serviced by the mechanic last week.
B.I had my car service by the mechanic last week.
C.I had the mechanic serviced my car last week.
D.I had my car been serviced by the mechanic last week.
18 The police has just released John.
A.John has just be released by the police.
B.John has just been release by the police.
C.John has just been released by the police.
D.John have just been released by the police.
19 The robbers made the bank manager hand over on the money.
A.The bank manager is made to hand over on the money by the robbers.
B.The bank manager was made by the robbers to hand over on the money.
C.The bank manager has been made to hand over on the money by the robbers.
D.The bank manager was made to hand over on the money by the robbers.
20 The leak was repaired by the plumber this morning.
A.The plumber repaired the leak this morning.
B.The plumber repairs the leak this morning.
C.The plumber repaired the leak that morning.
D.The plumber was repaired the leak this morning.
21 Somebody stole his watch yesterday.
A.His watch is stolen yesterday.
B.His watch was stole yesterday.
C.His watch has been stolen yesterday.
D.His watch was stolen yesterday.
Cái này mk nói theo ý hiểu thôi: Must và have to dùng để diễn tả ý bắt buộc phải thực hiện, must mang nghĩa chủ quan, have to mang ý khách quan (must là tự mk bắt mk làm còn have to là người khác bắt mk làm)
Định nghĩa : "Must" và "Have to" có nghĩa là "Phải, bắt buộc".
Cách sử dụng :
- "Must" mang nghĩa chủ quan của người nói, (thường là nói về chính họ).
- "Have to" mang nghĩa khách quan của người nói, (thường là nói cho người nghe).