为什么是:We have planted ten tress and there are twenty more to be planted
来源:百度知道 编辑:UC知道 时间:2024/05/22 06:31:29
为什么不能是
there are twenty more to plant
there are twenty more to plant
sth. to do 是要干某事,这件事是由主语来做的,而sth. to be done是有事要做,这件事本质上不是由主语来做的.
比方说:I have my dinner to cook.这里的饭是我做的,而I have my hair to be cut.头发不是我来剪的,是理发师,但我要剪头发.
你这里的to be planted 的主语是there,所以应该用to be done.
因为树是被种,而不是自己能种,所以用被动语态
gegegegegeg
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