he helped us to move our chairs这句话的否定形式和一般疑问句怎么变？

如题所述

第1个回答 2020-09-20

否定, He didn't help us to move our chairs.
一般疑问，Did he help us to move our chairs？

第2个回答 2020-09-20

这句话是一般过去时，
1、变否定句时要在主语后面加助动词did not 缩写为
didn't ，谓语动词helped 要恢复原形即help ，其它不变。
2、变一般疑问句时，要在句首加助动词Did ，谓语动词恢复原形 help
其它不变。
否定句：He didn't help us to move
our chairs .
一般疑问句：Did he help us to move
our chairs ?

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