作业帮she has already aired the room she aired it this morning.这句是一般过去时,这种情况是不用加has吗?she has already aired the roomshe aired it this morning.这句是一般过去时,这种情况是不用加has吗?还是加也可以的?
来源：学生作业帮助网 编辑：作业帮 时间：2024/06/01 08:07:26
she has already aired the room she aired it this morning.这句是一般过去时,这种情况是不用加has吗?
she has already aired the room
she aired it this morning.这句是一般过去时,这种情况是不用加has吗?还是加也可以的?
这句话就应该是过去式
就好比说 我吃过饭了 我8点吃的,前一句就是完成时表示状态,后一句过去式解释发生的时间
之所以这里不用加has是因为this morning是一个具体的过去时间。就跟has不能用在有yesterday的时间副词语句中是一个道理。
She has already aired the room 。是现在完成时，所以有助动词has 。
意思：她已经到达屋里。
She aired it this morning. 是一般过去时。所以不可以加has.
意思：她今天早上到的。
句意是她已经让房间通过风了（打扫干净），她是在这个早上做的。第一个表示已经完成的动作，用完成时，第二个动作是在以前发生的表示什么时候做的（过去了的动作）用过去式，不可以再加has
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