we played football after we____ the trees.A.plant B.had plantedC.has planted 为什么选B?
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we played football after we____ the trees.A.plant B.had plantedC.has planted 为什么选B?
we played football after we____ the trees.
A.plant B.had planted
C.has planted
为什么选B?
we played football after we____ the trees.A.plant B.had plantedC.has planted 为什么选B?
因为played是过去时,所以plant要用过去完成时had planted
像after这种词前后的时态要一致
played是过去时,而植树发生在踢足球这个过去的行为之前(发生在过去,对过去有影响)所以用过去完成时
因为played是过去时,而种树发生在踢球之前,也就是过去的过去,所以plant要用过去完成时had planted。
B
过去完成时
B