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Unit 2 Be sporty,be healthy 语法一览
核心语法：现在进行时和现在完成时的被动语态
现在进行时的被动语态表示某动作正在被执行。如：
A new library is being built in our city.
Some of the buildings are being repaired.
现在进行时的被动语态结构为is/am/are being done,可用by引出动作的发出者。如：
Living conditions are being improved.
An experiment is being done by the students in the lab.
现在完成时的被动语态表示动作已经被完成。如：
All possible answers have been considered.
What can be done has been done.
4.现在完成时的被动语态结构为has/have been done,可用by引出动作的发出者。如：
My hometown has been completed.
The rooms have been cleaned by the children.
语法专练：
一、用所给动词的正确时态和语态填空。
1 -Is there anyone in the next room
-Yes, a new applicant _______________(interview) there.
2 -What preparations have you made for the party
-Invitation cards____________(send) to our friends and a big cake _____________ (order).
3 -Why so slow
-The road ahead______________(widen) and only one lane is available.
4 -Can I use your bike
-Sorry,I had a fat tyre five minutes ago and it___________ (repair) now.
5 -Are you still working on your project
-No. Actually, it ____________ (complete).
6 -Having a haircut is really boring.
-I usually read a magazine while my hair ___________ (cut).
7. Look! The road ______ (repair) by the workers. It will be open next week.
8. A new hospital ______ (build) in our hometown now, so we have to take a detour (绕行).
9. My car ______ (clean) at the moment. I can pick you up in ten minutes.
10. So far, many new buildings ______ (set up) in our school to provide better living conditions for students.
11. The problem ______ (discuss) heatedly in the meeting room right now. Please wait for a moment.
12. Lots of tests ______ (carry out) by the scientists to find a cure for the disease recently.
13. The environment ______ (damage) seriously by industrial waste in the past few years.
14. Be quiet! The baby ______ (rock) by his mother in the next room.
二、句型转换。按要求改写句子，保持原意不变。
1. People are planting trees along the river.
Passive (Present Continuous): Trees ______ ______ ______ along the river.
2. The company has produced a new type of electric car.
Passive (Present Perfect): A new type of electric car ______ ______ ______ by the company.
3. They are not using the computer room today.
Passive (Present Continuous Negative): The computer room ______ ______ ______ today.
4. Teachers have given students a lot of homework.
Passive (Present Perfect): Students ______ ______ ______ a lot of homework by teachers.
三、单项选择
1. — Hi, Toby. Your shoes are so dirty.
— Sorry, mom. They ______ because I was playing basketball in the mud.
A. are being cleaned B. have been cleaned
C. are being mud D. have mud
2. The construction of the new bridge ______ successfully, and it is expected to open to traffic next month.
A. has been completed B. is being completed
C. is completed D. has been completing
3. Don't bother Dr. Lee now. He ______ an important experiment in the lab.
A. conducts B. is being conducted
C. is conducting D. has been conducted
4. A lot of attention ______ to the problem of food safety since the incident happened last year.
A. pays B. has been paid
C. is being paid D. was paid
5. — What's that noise It sounds like a drill.
— Oh, the underground line nearby ______ to improve the traffic system.
A. is being built B. is built
C. has been built D. is building
6. Many changes ______ in our hometown over the past ten years, and it has become more beautiful.
A. have been taken place B. are taking place
C. have taken place D. are being taken place
7. The letters ______ and sent out by the volunteers this morning.
A. are being sorted B. have sorted
C. have been sorted D. are sorted
8. — I think the school uniform ______ comfortable.
— Really I don't think so. It's too tight.
A. is being designed B. is designed
C. Designs D. has been designed
四、短文填空（现在进行时、完成时被动语态为主）
Our school campus ______ (decorate) these days to welcome the annual Art Festival. Many colorful lights and fresh flowers ______ (put) up in the hallways and on the playground since last week. A large number of works created by students ______ (show) in the school hall right now, including paintings, calligraphy and handcrafts.
Some preparations ______ (finish) already, while several important activities ______ (plan) carefully by the teachers and student volunteers. The opening ceremony ______ (broadcast) live on the school website this Friday evening, so all parents and graduates ______ (invite) to watch it online.
Up to now, more than 200 students ______ (divide) into different groups to take charge of different tasks. Every corner of the campus ______ (clean) thoroughly these days, and the stage for performances ______ (build) at the center of the playground. We believe the Art Festival will be a great success and bring us a lot of fun.
参考答案：
一、1.is being interviewed 2.have been sent ,has been ordered 3.is being widened 4.is being repaired 5.has been completed 6.is being cut 7. is being repaired 8. is being built 9. is being cleaned 10. have been set up 11. is being discussed 12. have been carried out 13. has been damaged 14. is being rocked
二、句型转换
1. are; being; planted 2. has; been; produced
3. isn't; being; used 4. have; been; given
三、1-4 AACB 5-8 ACCB
1. A解析：句意是“鞋正因为在泥里打球而变脏/正在被弄脏”，强调当下的状态或过程，用现在进行时被动。
2. A解析：句意强调“已经成功完成”，对现在造成影响（下月通车），用现在完成时被动。
3. C解析：句意是“他正在做实验”，主动语态。注意区分 B（被动）和 D（完成进行时）。
4. B解析：since + 过去时间，是现在完成时标志，注意力被支付（关注）。
5. A解析：噪音声音说明正在被建，现在进行时被动。
6. C解析：over the past ten years 是完成时标志。take place 是不及物动词短语，无被动。
7. C解析：this morning 暗示动作已完成，信件被分类，用现在完成时被动。
8. B解析：校服被设计成某种材质，描述客观属性或一般事实，用一般现在时被动。
四、 1. is being decorated 2. have been put
3. are being shown 4. have been finished
5. are being planned 6. will be broadcast（此处结合语境，现在进行时表将来被动，核心考查被动语态）
7. have been invited 8. have been divided
9. is being cleaned 10. is being built

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