为什么是:We have planted ten tress and there are twenty more to be planted 为什么不能是 there are twenty more to plant
人气:401 ℃ 时间:2020-01-28 06:32:12
解答
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.