[注意]当使用see/hear/watch sb. doing sth.时,变为被动语态时, doing保持不变。如:
I saw him going into the shop.(主动) He was seen going into the sh1. I heard Jenny singing at 7 this morning.
Jenny was heard singing at 7 this morning.
2. His mother made him wash his own clothes at the age of 10. He was made to wash his own clothes by his mother at the age of 10.
English is spoken by many people. ②He washed his shoes yesterday.
His shoes were washed by him yesterday.
翻译下列句子
1. 电视机关掉了。 The TV was turned off.
2. 那小偷被抓住了。 The thief was caught.
5. The farmers are cutting down the trees on the hill. The trees on the hill are being cut down by the farmers.
在被动语态中要注意的问题
①一些使役动词(let, have, make等)或感观动词(see, hear, watch, notice等)在主动语态中后面接的动词不定式不带to,但改为被动语态时,要 补上to。如: A. The boss makes the workers work 18 hours a day.