6. I dislike _____ while try to learn skiing.

　 (a) being looked at　　 (b) looking at　

(c) to look at　　 　　　(d) having looked at

5. The book if worthy of_____.

　 (a) reading　　 (b) read　　　 (c) having read　　　 (d) being read

4. Do you remember _____ to Dr. Henry during your last visit?

　 (a) to be introduced　　 　(b) being introduced　

(c)having introduced　 　(d) to have introduced

3. While the ice box_____, a lot of defects were found.

　 (a) was being examined　　 (b) was examined　　

(c) was examining　 　　　(d) had been examined

2. The radar sets _____ for a long time without any trouble.

　 (a) have been running　 　　　(b) have been run

　 (c) have run　　　　　　 　　(d) were running

1. I’ll be going to work on foot while my bicycle_____.

(a) is being repaired 　　　　　(b) is repaired

(c) will repaired　　 　　　　　(d) has been repaired

3. 大多数系动词：be , feel (摸起来)，sound(听起来)，smell(闻起来)，taste(尝起来)，look(看起来)，等词无被动语态，它们的主动形式表示被动意义。

例：①The shirt feels very soft. 这件衬衣摸起来很柔软。

②Many changes have taken place in our country.

2. 不及物动词或动词短语无被动语态: appear,　die ,disappear, end (vi. 结束), fail, last, lie, remain, sit, spread(传播), stand, come true, fall asleep, ...

1. 没有被动语态的词， 表示状态或特征的及物动词如 cost, fit, have, suit等没有被动形式，另外，像happen = take place, break out(爆发)，break down(坏了) result from(缘于)，belong to, consist of等只用主动语态，而不用被动语态

4] 没有被动语态的动词：