see sb. do 中的宾语某人与做是主动关系,即该人发出后面的动作.如see Tom come in看到Tom 进来
see sth. done中see的宾语与后面的动词之间是被动关系,如see the blackboard cleaned,看到黑板被擦
sb be seen to do是see sb. do 的被动形式,即把see后的宾语某人放到句首,从而变成被动的形式,译成某人被看到干某事.注意在变成被动后原来被省的
不定式符号to要补回来.Tom was seen to come in.
get sb. to do sth, get sth. done,与上面的同理.到底后面用不定式还是过分做宾补就看宾语与该动词之间是主动还是被动关系.如get Tom to buy me a book, get his party prepared
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追问Tom was seriously ill. I saw him ___to hospital just now. (A) sent ( B) to be sent (C)be sent (D)being sent 这个应该选什么呢?理由分别是什么呢?