Cấu trúc It is necessary trong tiếng Anh chi tiết, chuẩn xác và bài tập vận dụng
Ví dụ:
Cấu trúc It is necessary trong tiếng Anh là một cấu trúc giả định, thường được sử dụng để nói tới những điều cần thiết và quan trọng.
Công thức cấu trúc It is nescessary như sau:
It is necessary (+ for somebody) + to do something
It is necessary + that + S + V
Cấu trúc It is necessary that ở trên có ý nghĩa là: ai đó cần làm gì. Ví dụ:
Necessary có danh từ là Necessaries mang ý nghĩa là “đồ dùng cần thiết” hay “nhu yếu phẩm”. Vì là bản thân Necessaries là một danh từ nên nó giữ vị trí và chức năng của một danh từ trong câu. Ví dụ:
Ngoài ra, danh từ Necessaries còn có idiom thường gặp đó là “a necessary evil” dùng dể diễn tả một điều tồi tệ hoặc một điều bạn không thích nhưng vẫn phải chấp nhận vì lý do nào đó. Ví dụ:
Cấu trúc It is necessary thật dễ dàng phải không nào? Tuy nhiên bạn cần có một lưu ý nhỏ rằng Necessary là tính từ nhưng Necessaries sẽ là danh từ đó nha. Đặc biệt, danh từ này luôn ở dạng số nhiều. Ví dụ:
Bài 1: Điền từ thích hợp cho câu
1. It is going to sunny. It is ______ to use sunscreen.
2. Do you think it is necessary ______ eat breakfast before doing exercise?
3. Jenny believes it is necessary ______ she prepares the party carefully.
4. It is necessary ______ Anna to study harder.
5. It is necessary _____ buy a new car.
Đáp án:
1. necessary
2. to
3. that
4. for
5. to
Bài 2: Viết lại những câu sau sử dụng cấu trúc It is necessary
1. It’s sunny today. You should use your sunscreen.
2. The deadline is tomorrow. You need to finish your report at that time.
3. Do I need to join the meeting?
4. I need to pass this exam to graduate.
5. Jane needs to stop smoking.
Đáp án:
1. It is necessary for you to use your sunscreen./It is necessary that you use your sunscreen.
2. It is necessary for you to finish your report tomorrow./It is necessary that you finish your report tomorrow.
3. Is it necessary for me to join the meeting?
4. It is necessary for me to pass this exam to graduate.
5. It is necessary for Jane to stop smoking/It is necessary that Jane stops smoking.
Bài 3: Điền vào chỗ trống với 1 từ thích hợp.
|
move |
complete |
Invite |
cover |
conduct |
|
study |
read |
urge |
have |
bring |
1. It’s necessary to ---- the express company to deliver our package.
2. It’s necessary for her to ---- hard for the final exam.
3. It’s necessary for her to ---- to the countryside to better her health.
4. It’s necessary to ---- this computer to the store for a repair.
5. I think it’s necessary to ---- another inspection before putting this line into work.
6. It’s necessary to ---- the package with a protective layer.
7. It’s necessary for the applicants to ---- a clear mind before the interview.
8. He thinks it’s necessary to ---- the expense report by the end of the week.
9. It’s necessary to ---- the contract terms carefully before signing it.
10. To construct this building, it’s necessary to ---- more than one civil engineer.
Đáp án:
1. urge
2. study
3. move
4. bring
5. conduct
6. cover
7. have
8. complete
9. read
10. invite
Bài 4: Hoàn thành câu với cấu trúc “it is necessary”:
1. It is necessary __________ (drink) enough water every day.
2. It is necessary for drivers __________ (follow) traffic rules.
3. It is necessary that everyone __________ (contribute) to protect the environment.
Đáp án:
1. to drink
2. to follow
3. contributes
Bài 5: Viết lại các câu dưới đây theo gợi ý cho trước:
1. You must wear a uniform at school. -> It is necessary that __________.
2. We should learn a foreign language. -> It is necessary for __________.
3. The company needs to improve its customer service. -> It is necessary that __________.
Đáp án:
1. you wear a uniform at school
2. us to learn a foreign language
3. the company improves its customer service
Bài 6: Viết lại các câu dưới đây sử dụng cấu trúc “It is necessary”:
1. You should finish your homework before dinner.
2. We need to arrive at the airport two hours before our flight.
3. He has to take his medicine three times a day.
4. She needs to practice the piano every day if she wants to improve.
5. They should study hard if they want to pass the exam.
Đáp án:
1. It is necessary for you to finish your homework before dinner.
2. It is necessary that we arrive at the airport two hours before our flight.
3. It is necessary for him to take his medicine three times a day.
4. It is necessary that she practice the piano every day if she wants to improve.
5. It is necessary for them to study hard if they want to pass the exam.
Bài 7: Điền tính từ “necessary” hoặc danh từ “necessaries” thích hợp vào chỗ trống.
1. The______ time to finish this phase is approximately fourth month.
2. Maybe I shall have to forgo a few ______ and many high-end products produced by many countries.
3. To build this instrument, it was ______ to use data from more than one source.
4. The ______ conditions to which the robots can adjust and move smoothly on the wall are analyzed.
Đáp án:
1. necessary
2. necessaries
3. necessary
4. necessary
Bài 8: Sử dụng cấu trúc it is necessary để viết lại những câu dưới đây
1. Nam should study hard if he wants to pass the exam.
2. We must arrive at the train station at least an hour before the train.
3. It is important to drink water regularly to avoid dehydration.
4. The company requires all employees to attend the training session.
5. If you want to succeed in business, it is essential to have good communication skills.
Đáp án:
1. If Nam wants to pass the exam, it is necessary to study hard.
2. It is necessary to arrive at the train station at least an hour before the train.
3. To savoid dehydration, it is necessary to drink water regularly.
4. It is necessary for all employees to attend the training session as required by the company.
5. Having good communication skills is necessary if you want to succeed in business.
Bài 9: Điền vào chỗ trống để hoàn chỉnh các câu sau
1. You should brush your teeth daily for good oral hygiene.
→ It’s necessary to ___________________________________
2. Warm clothing is essential in cold weather to stay warm.
→ It is necessary to have __________________________________
3. Basic computer skills are a requirement for many jobs in today’s workforce.
→ Basic computer skills are _______________________________
4. To enter the government building, you must have a valid ID.
→ It is necessary to have _________________________________
5. Proper training is essential to operate heavy machinery safely.
→ Proper training is necessary _______________________________
6. Lock the doors when leaving your home for security.
→ It is necessary to ________________________________________
7. Following traffic rules helps avoid accidents on the road.
→ Following traffic rules _____________________________________
8. Regular maintenance keeps your car running smoothly.
→ Regular maintenance _____________________________________
9. Having a backup plan is essential in case of unexpected events.
→ It is necessary ___________________________________________
10. Good time management is crucial to complete tasks efficiently.
→ Good time management ___________________________________
Đáp án:
1. It’s necessary to brush your teeth daily for good oral hygiene.
2. It is necessary to have warm clothing in cold weather to stay warm.
3. Basic computer skills are necessary for many jobs in today’s workforce.
4. It is necessary to have a valid ID to enter the government building.
5. Proper training is necessary to operate heavy machinery safely.
6. It is necessary to lock the doors when leaving your home for security.
7. Following traffic rules is necessary to avoid accidents on the road.
8. Regular maintenance is necessary to keep your car running smoothly.
9. It is necessary to have a backup plan in case of unexpected events.
10. Good time management is necessary to complete tasks efficiently.
Bài 10: Điền vào chỗ trống từ thích hợp để hoàn thành câu
1. Fire extinguishers are ________ in case of emergencies.
2. Water is necessary _____ life.
3. It’s ________ to wear a seatbelt when driving.
4. Safety measures are necessary ______ dangerous activities.
5. Adequate sleep is ________ for overall health.
Đáp án:
1. necessary
2. for
3. necessary
4. for
5. necessary
Bài 11: Viết lại câu nghĩa không đổi nâng cao
1. In his recent article, Bob Lee pointed out all the faults in the government’s new transport policy.
In his recent artilce, Bob Lee was…………………
2. The company have been reviewing their recruitment policy for the last three months.
The company’s …………………
3. I’m absolutely sure he took the money on purpose.
He couldn’t possibly…………………
4. He delayed writing his book until he had done a lot of research.
Only after…………………
5. They declaired war on the pretext of defending their territorial rights.
The excuse…………………
6. I feel that I don’t fit with the people in the new office.
I feel like…………………
7. Skysrapers in the USA are on average taller than anywhere else in the world.
The average …………………
8. We were very impressed by the new cinema but found it rather expensive.
Impressed…………………
9. It’s more than a fortnight snice anyone saw Julian.
Julian…………………
10. The deadline for the receipt of complete application forms is 3.00 p.m on Friday, 18th December.
Complete application …………………
Đáp án:
1. In his recent article, Bob Lee was critical of the government’s new transport policy.
2. The company’s recruitment policy has been under review for the last three months.
3. He couldn’t possibly have taken the money by mistake.
4. Only after he had done a lot of research did he begin to write the book.
5. The excuse for the declairation of war was the defence of their territorial rights.
6. I feel like a fish out of water in the new office.
7. The average skyscraper in the USA is taller// higher// bagger than anywhere else in the world. Or: The average height// size of skyscraper in the USA is greater than anywhere else in the world.
8. Impressed as we were by the new cinema, we found it rather expensive.
9. Julian was last seen ( more than) a fortnight // two weeks ago.
10. Complete application forms must be handed in// returned// redeived// submitted by// no later then 3.00 p.m on Friday, 18th December.
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