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新概念英语改成疑问句和否定句1.The sun set at twenty past seven.2.He ate hi

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新概念英语
改成疑问句和否定句
1.The sun set at twenty past seven.
2.He ate his lunch at one o'clock.
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新概念英语改成疑问句和否定句1.The sun set at twenty past seven.2.He ate hi
1 The sun set at twenty past seven
(1) Did the sun set at twenty past seven
(2) The sun didn't set at twenty past seven.
2 He ate his lunch at one o'clock
(1) Did he eat his lunch at one o'click?
(2) He didn't eat his lunch at one o'clock.
(1)为一般疑问句 (2)否定句 (您应该能看的懂,是我多此一举吧)
分析:先判断两个句子的时态,很明显,都为一般过去式.句中没有Be动词,所以在做一般疑问句考虑助动词,do或does 因为他们的过去式为did,所以再做一般疑问句时,did提前后动词还原.再做否定句时,需要借助didn't,同理借助后还原
做这种题一定要知道题中单词的过去式
set—set eat—ate