作业帮请英语高手帮我!为什么下列句子能用两种时态表示1.how did you know that I was/am peter?2.she said she was/is going tomorrow.3.the teacher said that money was not/is not everything.4.did you say you had/have no money left?
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请英语高手帮我!为什么下列句子能用两种时态表示1.how did you know that I was/am peter?2.she said she was/is going tomorrow.3.the teacher said that money was not/is not everything.4.did you say you had/have no money left?
请英语高手帮我!为什么下列句子能用两种时态表示
1.how did you know that I was/am peter?
2.she said she was/is going tomorrow.
3.the teacher said that money was not/is not everything.
4.did you say you had/have no money left?
请英语高手帮我!为什么下列句子能用两种时态表示1.how did you know that I was/am peter?2.she said she was/is going tomorrow.3.the teacher said that money was not/is not everything.4.did you say you had/have no money left?
一般说来主句是过去式的话,从句也要用过去时.比如1 主句有did 从句应该用 was
但表示真理的时候,时态都用一般时 比如 money is not everyting
按说除了第3个句子，从句可以用现在时也可以用过去时之外， 124这三个句子的后面从句都只能用过去时态。
因为他们是复合句。
主句是一般现在时，从句发生在什么时候，就用什么时态。
主句是过去时，从句就用过去的某一时态，比如，过去完成，一般过去，过去进行。。。。