文档介绍：被动语态
将下列句子改为被动语态
wrote the business letters in English.
The business letters _____ _______ in

9
2. 从过去已经开始，持续到现在并有可能延续到将来。(动词的可持续性？)
I have taught English since 2006.
He has been in the army for ten years.
考点一：对意义的考查现在完成时态的意义：
标志词:
recently/ these days, so far, by now, in/during the last/past + 一段时间for + 一段时间since + 过去时间点
【典型考题】
1. —Our country _______a lot so far.
—Yes, I hope it will be even ______.
has changed; well B. have changed; good 　
C. have changed; better D. has changed; better
life we used to have greatly since 1979.
　A. changed B. has changed
C. changing D. have changed
考点二：考查 have/has gone to+地点 have/has been to+地点(表示次数的词连用) have/has been in/at+地点(与表示一段时间的状语连用)
【典型考题】
1. ——Where are Maria and Kangkang?
—--They _____ England.
been to away
gone to D. has been to
2. —You are leaving your school. How do you like it?
　—Very much, of course. I ______this school since I moved here.
　A. came to B. have gone to
　C. have been at D. have been to
非延续性动词不能与for和since引导的表示一段时间的状语连用，
close—be closed, open—be open finish/end—be over, catch a cold— have a cold　
fall asleep/go to sleep —be asleep (sleep)
come/get back—be back , go/leave-be away become —be, ▲ borrow —keep
▲ buy—have, ▲ begin/start—be on
die—be dead, come/arrive—be here/in
join—be in/be a member of,
marry—be married(to)
考点三：
考查延续性动词与非延续性动词
1. His father ______ the Party since 1978. Ａ. joined Ｂ. has joined Ｃ. was in Ｄ. has been in 2.—Do you know him well ? — Sure .We ___ friends since ten years ago. Ａ. were Ｂ. have been Ｃ. have become Ｄ. have made 3.—How long have you ____ here? —About two months. Ａ. been Ｂ. gone Ｃ. come Ｄ. arrived
D
B
A
【典型考题】
B
B
【典型考题】
1.—These