只要是及物动词,就一定要跟宾语.不管是主动还是被动.
你的例句是被动语态,先看下原来的主动语态:
Sb.finished his homework.
finish在这里是及物动词,所以跟宾语homework.
而
The homework was finished.
作业被完成了.
从形式上看,finish后面没有宾语,但从句子的意义上看,也就是从逻辑上说,在这里finish的对象仍然是homework.
只要是及物动词,就一定要跟宾语.不管是主动还是被动.
你的例句是被动语态,先看下原来的主动语态:
Sb.finished his homework.
finish在这里是及物动词,所以跟宾语homework.
而
The homework was finished.
作业被完成了.
从形式上看,finish后面没有宾语,但从句子的意义上看,也就是从逻辑上说,在这里finish的对象仍然是homework.