是I don't believe he tells lies还是I don't believe he tell lies,宾语从句主句否定,从句单三还变吗

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是I don't believe he tells lies还是I don't believe he tell lies,宾语从句主句否定,从句单三还变吗
是I don't believe he tells lies还是I don't believe he tell lies,宾语从句主句否定,从句单三还变吗

是I don't believe he tells lies还是I don't believe he tell lies,宾语从句主句否定,从句单三还变吗
任何一个从句的时态形式该用什么就用什么,不会因为主句否定而改变.

是I don't believe he tells lies,照样要变

是I don't believe he tells lies 。
I(主句主语) +(助动词/情态动词等)+believe +宾语从句,从句的谓语形式取决于从句的主语(第几人称/单复数)和主句的时态以及从句中的行为表达的意思(这可能有的需要看从句谓语的意思和前后文决定,是否用完成时或用过去时或进行时等)。例:
1、I can't believe what you have...

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是I don't believe he tells lies 。
I(主句主语) +(助动词/情态动词等)+believe +宾语从句,从句的谓语形式取决于从句的主语(第几人称/单复数)和主句的时态以及从句中的行为表达的意思(这可能有的需要看从句谓语的意思和前后文决定,是否用完成时或用过去时或进行时等)。例:
1、I can't believe what you have said . (强调发生的件事)
2、I did believe he telled lies three years ago . (表示过去的一件事)
I did believe he was telling lies when we are writing . (强调事件发生的过程)
I won't believe he had telled lies to the policeman . (强调曾发生过这件事)
英语这东西,有的时候靠语感+语法的熟悉。

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