反义疑问句：I heared that no changes take place at your school,( )

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反义疑问句：I heared that no changes take place at your school,( )it
括号内应该填had 还是did...为什么?最好把语法知识点也讲一下
I heared that no changes had taken place at your school,( )it

did
这句话属于翻译疑问句,no属于否定词,所以“I heared that no changes take place at your school”属于否定句.根据“前否后肯”也就是前一个句子否定,疑问部分肯定,所以用did.
而用did的原因是“I heared that no changes take place at your school”这部分是过去式,所以用did

反义疑问句：I heared that no changes take place at your school,( ) i didn't think that he was at school .怎样变反义疑问句 I have lunch at home(at school) 改为反义疑问句 1.Great changes have taken place in that school.It is no lon Great changes have taken place in that school . It is no lon Great changes have taken place in that school.It is no longe "Great changes have taken place in that school．It is no long Great changes take place in that small town when I visited i Great changes have taken place in that school.It i.求英语大神 The speed at which changes take place in our society. meet at the school gate反义疑问句 I don't think your brother is at home ,____ ____ (反义疑问句?）