一般现在时:I plant a tree. A tree is planted.
一般过去时:I planted a tree. A tree was planted.
一般将来时: I will plant a tree. A tree will be planted.
现在进行时:I am planting a tree. A tree is being planted.
现在完成时:I have planted a tree. A tree has been planted.
过去完成时:I had planted a tree. A tree had been planted.
过去进行时:I was planting a tree. A tree was being planted.
将来进行时:I will be planting a tree. A tree will be planted.
将来完成时: I will have planted a tree. A tree will have been planted.
深夜手码 望采纳。
追问谢谢昂,后面那个是被动,我英语作,没看出来...