l think he is very old改为否定句为什么是do not?

如题所述

这是一个宾语从句,he is very very old是从句。变否定句的时候只变主句就可以了。
I don't think he is very old.
我不认为他是老的。
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第1个回答  2020-06-17
I don't think he is really old.


I think 开头的宾语从句,变否定句时是否定前移,即否定主句本回答被提问者采纳