同步语法新人教版必修二Unit3：现在完成时的被动语态

同步语法新人教版必修二Unit3：现在完成时的被动语态
必修一Welcome Unit：句子成分和基本句型
必修一Unit 1：名词 / 形容词 / 副词短语
必修一Unit 2：现在进行时表将来等
必修一Unit 3：反意疑问句
必修一Unit 4：限制性定语从句
必修一Unit 5："关系副词"及“介词+关系代词”
必修二Unit 1：“介词+关系代词”引导的定语从句
必修二Unit 2：现在进行时的被动语态
必修二Unit 3：现在完成时的被动语态
现在完成时的被动语态
现在完成时的被动语态表示“现在已经被完成的动作”。

常与一些副词连用，如already, yet, just, never, ever, lately, recently, twice等，通常把副词放在助动词have 或 has的后面，有时候也可以放在句末。

也可以表示“一个从过去某个时间开始，持续到现在，并可能延续下去的被做的动作”。

常用的时间状语有：for+一段时间，since+时间点/从句，
in/ for/over/during the last / past
fewyears/months/weeks/days, ever since, sofar, up to now,
4. How many workers ______（send） tobuild the railway recently?
5.Much information ______（send）
back to the earth since the spacemen began
their exploration on the moon.
6. Much parking space in cities ________ (save) by usi ng small cars.
7. This part of the sea ________ (explore) many times.
8.Al l the preparation for the task______（do）, andwe’re ready to start.
9.I ______（employ）at this job since 1990.
10. A kind of new PC ______（build）withmore functions recently.
11. I hear Jan's life ______（improve）bythe Internet.
12.The construction of the new railway lines______（finish）bythe workers by now.
13. No comment ______（make）about the online database till now.
14. A great many fine cars ______（produce）bythe car factory since the technological revolution.
15. Much ______（write）about the wonders of the World Wide Websince then.
16.It is said that the book ________ (translate)into several languages.
17. Look at the way the paths______（sweep）.You'd better do it again.
18. The child ______（take）careof by grandma all these years.
19.First as a PC and then as a laptop,I________(use) in offices and homes since the 1970s.
20. Since the 1970s many new applications_______ (find) for me.
【参考答案】
一．1. Youcan see that the house has not been painted for years.
2.It is said thatthe house has been broken into by two thieves.
3. Have his viewsbeen criticized by people?
4. The two bookshave not been taken away (by him).
5. Where has themobile phone been repaired?
6. The price ofthe colour TV set has been brought down again by the company.
7.I was given atoy at Christmas by my parents.
或A toy was given to me at Christmas by myparents.
8.A stranger wasseen to walk into the building.
9. The boy wasseen smoking a cigarette.
10. The workerswere forced to work day and night by the boss.
二．1.has been built 2.have been collected ;wasbuilt 3. has been set 4. have been sent 5. has been sent 6.has been saved 7.has been explored 8. have been
done 9. have beenemployed 10. has been built 11. has been improved 12. has been finished 13.hasbeen made
14. have beenproduced 15. has been written 16. hasbeen translated
17. have beenswept 18. has bee taken 19.have been used 20.have been found。