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

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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
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

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
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

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 So far we ( ) about 1000 trees. a.planted b.have planted c.have been planted d.to plant说明原因 by the time he showed up ,we ()ten trees A have planted B had planted We have planted over 1000 trees.We'll plate__(many)trees next yearShe was__at the___end(amaze) We have planted many trees.改为被动语态Many trees ( )( )( )by us.改为被动语态一空一词 the trees we planted have grown tall的先行词和从句 In the pash few years,we have had thousands of trees ——around our school.A.plant B.planted C.planting D.being planted What happened to the trees planted last spring?The trees_well,but they didn't take care of themA would have grown B would grow C should have grown D might grow为什么是选A啊 The flower I ( ) grown up.A.planted has B.planted have C.has planted D.have planted.()应该填什么? That field___a good crop of potatoes last year为什么是 yielded 而不是 planted It's spring now,the students ()trees these weeks为什么是are planting而不是planted 这是主谓宾结构,还是主谓宾加宾补结构we have planted a lot of trees in our hometown. The trees ( )we planted five years ago have grown very big A,that B,whome,C,by which D,why what happened to the young trees we planted?thwhat happened to the young trees we planted?the trees (would have grown) well,but I didn't water them.为什么要用括号里的词组? We have done thing we ought not to have done and___undone things we ought to have done.A.left B.leaving.为什么是A,B为什么不可以 to make our city more beautifulA a lot of trees have been planted B it's necessary to plant a lot of trees C a lot of trees need planting D we have planted a lot of trees Dogs are difficult to take care of还是to be taken care of?There are twenty trees to to plant还是be planted?We have twenty trees to plant?还是to be planted?为什么?这是什么知识点? My advice is that more trees _______in front of the building A.be planted. B.to be planted 为...My advice is that more trees _______in front of the buildingA.be planted. B.to be planted为什么是A不是B?不是被动语态么?