He told Mary that he could not go school tomorrow.请问,为什么could用的是过去式?
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He told Mary that he could not go school tomorrow.请问,为什么could用的是过去式?
因为前面told也是过去式~
句子里面保持前后时态一致~
不是看到tomorrow就是用将来时~
有时候也可能在叙述过去的事~
不明白的再问哟,请及时采纳,多谢!
你好:为你提供精确解答
这是因为主句told是过去时态。那么,说明他说这个动作是发生在过去。
也就是说,说明他相对于过去那一时刻,不能(could)去学校。表示一种能力上没有。
谢谢,不懂可追问~~~
直接引语变间接引语,前面的动词时tell 的过去式told,那么后面句中的时态应该变为相应的过去式。
He said to Mary,"I can not go to school tomorrow."
把can变成它的过去式could
从语法的角度讲,从句的谓语动词要受主句的谓语动词的制约。
这体现在主句谓语动词如果用的是一般时,从句可以根据需要自由选择时态;主句如果用的是过去时,从句谓语动词需要用相应的过去时。在该句中,主句用的是tell的过去式told,所以从句要用can的过去式could....
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从语法的角度讲,从句的谓语动词要受主句的谓语动词的制约。
这体现在主句谓语动词如果用的是一般时,从句可以根据需要自由选择时态;主句如果用的是过去时,从句谓语动词需要用相应的过去时。在该句中,主句用的是tell的过去式told,所以从句要用can的过去式could.
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