Bài tập động từ khuyết thiếu lớp 11A. Phân biệt Must vs. Have to, Should vs. Ought toI. Phân biệt Must với Have to Must Have to - Diễn tả sự cần thiết hay bắt buộc mang tính chủ quan (do người nói quyết định) Diễn tả ý bắt buộc mang tính khách quan (do luật lệ, quy tắc hay người khác quyết định) Eg: I must finish the exercises. (Tôi phải hoàn thành bài tập.) Eg: I have to finish the exercises.Tomorrow is the deadline. (Tôi phải hoàn thành bài tập. Ngày mai là hạn cuối) II. Phân biệt Should và Ought toCả “should” và “ought to” được sử dụng khi hỏi và đưa ra lời khuyên hoặc gợi ý. Should Ought to Dùng cho lời khuyến mang tính chủ quan, thể hiện quan điểm cá nhân của người nói Dùng với những lời khuyên mang yếu tố khách quan, tức là có sự tác động của ngoại cảnh như luật lệ, bổn phận hay quy tắc Eg: Jenny should go to bed early. (Jenny nên đi ngủ sớm.) Eg: Emily ought to finish the report by 10 a.m. (Emily nên hoàn thành bản báo cáo trước 10 giờ sáng.) B. Bài tập luyện tập động từ khuyết thiếuI/ Complete the sentences using the given words. mustn’t don’t have to should ought shouldn’t have to ought not must 1. You _____________ type your essay but if you want, you can do it.2. You ________________ ask your teacher if you don't understand the lesson.3. If you want to help your friend, you _________________ to do her homework. Instead, you should show her how to do it by herself. 4. She is an expert adviser; thus, I think you ________________ to ask her for some advice. 5. We __________________ show respect to our parents. 6. I ________________ go home too late. My parents are very strict. 7. I ___________________ finish homework before going to class. My teacher is rather strict. 8. I think you _________ _________ stay up late because it is not good for your health. II/ Fill in the blanks with affirmative or negative forms of "must or have to/ has to".1. Tomorrow is Sunday. You__________get up very early.2. This room is a mess. I really__________find time to clean it!3. You__________wear a tie if you want to go to that restaurant. It's one of their rules!4. I am broke. I__________borrow some money to buy a car.5. You__________stop smoking. It is very harmful.III/ Choose the best answer (A, B, C or D) to complete the following sentences.1. My grandparents live in the suburb. Therefore, whenever we visit them, we__________a bus.A. must take B. should take C. have to be taken D. have to take2. You__________eat plenty of fruit or vegetables every day because they are good for your health.A. oughtn't to B. mustn't C. don't have to D. should3. You__________use your mobile phone in the exam.A. oughtn't to B. mustn't C. don't have to D. shouldn't4. I think you__________do exercise regularly in order to keep in shape.A. must B. shouldC. ought to D. Both B and C are correct5. The children__________spend too much time watching TV.A. mustn't B. ought to notC. shouldn't D. Both B and c are correctIV. Rewrite the following sentences1. His doctor told him that he should eat more fruits and vegetables. (OUGHT)His doctor told him that he _____________________________ more fruits and vegetables.2. Ring! Ring! That may be Tina-she said she’d call at 4. (MIGHT)Ring! Ring! That ________________________ Tina - she said she’d call at 4.3. I studied 20 hours for the math test - the teacher was absent again. (NEEDN’T)I _________________________________ studied 20 hours for the math test because the teacher was absent again.4. Smoking is not allowed in restaurants, schools, and offices. (MUSTN’T)___________________________________ in restaurants, schools, and offices.5. It isn’t neccesary to bring all your books to school every do. (HAVE)You _________________________________ bring all your books to school every day.V/ Find and correct mistakes in following sentences.1. I am going to New York next month, so I will must to buy a guidebook._____________________________________________2. You always should carry plenty of loose change._____________________________________________3. Students who come to the class late ought to clean the floor. That’s the rule in my class._____________________________________________4. You don't have to smoke inside but you can smoke outside._____________________________________________5. I should leave now because I have a meeting._____________________________________________VI/ Rewrite each sentence so that the new sentence has a similar meaning to the original one, using modals1. Parents find it unnecessary to satisfy all their children’s needs.Parents don’t ____________________________________2. Swearing every time you need to emphasize something is not a good idea.You ____________________________________________3. In the UK, you are not allowed to buy or drink alcohol in pubs or shops if you are under 18.In the UK, you ____________________________________4. If I were you, I would spend more time talking with childrenYou _____________________________________________5. John doesn’t get permission to use that computer.John _____________________________________________C. Đáp án bài tập luyện tậpI/ Complete the sentences using the given words. 1. You ______ don't have to _______ type your essay but if you want, you can do it.2. You ________ should ________ ask your teacher if you don't understand the lesson.3. If you want to help your friend, you _________ ought not ________ to do her homework. Instead, you should show her how to do it by herself. 4. She is an expert adviser; thus, I think you _______ ought _________ to ask her for some advice. 5. We _________ must _________ show respect to our parents. 6. I ________ mustn't ________ go home too late. My parents are very strict. 7. I __________ have to _________ finish homework before going to class. My teacher is rather strict. 8. I think you _________ shouldn't _________ stay up late because it is not good for your health. II/ Fill in the blanks with affirmative or negative forms of "must or have to/ has to".1. Tomorrow is Sunday. You_____don’t have to_____get up very early.2. This room is a mess. I really____must______find time to clean it!3. You_____have to_____wear a tie if you want to go to that restaurant. It's one of their rules!4. I am broke. I_____have to_____borrow some money to buy a car.5. You____must______stop smoking. It is very harmful.III/ Choose the best answer (A, B, C or D) to complete the following sentences. 1. D 2. D 3. B 4. D 5. C IV. Rewrite the following sentences1. His doctor told him that he ought to eat more fruits and vegetables.2. Ring! Ring! That might be Tina - she said she’d call at 4.3. I needn’t have studied 20 hours for the math test because the teacher was absent.4. You mustn’t smoke in restaurants, schools, and offices.5. You don’t have to bring all your books to schools every do.V/ Find and correct mistakes in following sentences.1. I am going to New York next month, so I will have to buy a guidebook.2. You should always carry plenty of loose change.3. Students who come to the class late have to clean the floor. That’s the rule in my class.4. You mustn’t smoke inside but you can smoke outside.5. I have leave now because I have a meetingVI/ Rewrite each sentence so that the new sentence has a similar meaning to the original one, using modals1. Parents don’t have to satisfy all their children’s needs.2. You shouldn’t/ ought to swear everytime you need to emphasize something.3. In the UK, you mustn’t enagage in any illegal religious activities.4. You should/ ought to spend more time talking with children.5. John mustn’t get permission to use that computerMời các bạn tham khảo thêm nhiều tài liệu Tiếng Anh lớp 11 hay và miễn phí tại: https://vndoc.com/tieng-anh-pho-thong-lop11