时间一般时态进行时态完成时态现在过去将来过去将来am/is/are/+donewas/were+donewill(shall)+bedonewould(should)+be+doneam/is/are+being+donewas/were+being+donehas/have+been+donehadbeendonewill(shall)+havebeendonewould(should)+havebeendone被动语态各种构成形式1
不及物动词不用于被动语态,不及物动词不用于被动语态,(1)Greatchangeshavebeentakenplaceinmyhometown(1)Greatchangeshavebeentakenplaceinmyhometown
()()(2)Greatchangeshavetakenplaceinmyhometown(2)Greatchangeshavetakenplaceinmyhometown
()()错对2:表示状态的动词不能用于被动语态,表示状态的动词不能用于被动语态,lacklack,,holdhold,,costcost,,suitsuit,,containcontain,,havehave
Thebookcosts10yuanThebookcosts10yuan
()Thebookiscost10yuanThebookiscost10yuan()()对错33.在被动语态中不可省略.在被动语态中不可省略toto的情况
在主动语态中,如果感官动词,役使动词的情况
在主动语态中,如果感官动词,役使动词的宾语补足语常常有不带的宾语补足语常常有不带toto的不定式,但在被动语态中要带的不定式,但在被动语态中要带toto((see,hear,watch,see,hear,watch,observe,notice,lo