变疑问句和否定句:The exam begins at nine.Ann returned the book to the library yesterday.
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变疑问句和否定句:The exam begins at nine.Ann returned the book to the library yesterday.
变疑问句和否定句:The exam begins at nine.Ann returned the book to the library yesterday.
变疑问句和否定句:The exam begins at nine.Ann returned the book to the library yesterday.
when does the exam begins?The exam doesn't begin at nine
Did Ann return the book to the library yesterday?
Ann didn't return the book to the library yesterday.
原问句:What time does the exam begin? (通用回答有明确的时间,我们会用what time来问)
疑问句:Does the exam begin at nine? (在does後的动词begins要变回原形动词begin)
否定: No, it doesn't.
疑问句: Did Ann return the book to the libr...
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原问句:What time does the exam begin? (通用回答有明确的时间,我们会用what time来问)
疑问句:Does the exam begin at nine? (在does後的动词begins要变回原形动词begin)
否定: No, it doesn't.
疑问句: Did Ann return the book to the library yesterday?
(在did後的动词returned要变回原形动词return)
否定: No, she didn't.
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