题目内容
6.She used to work very late when she was young.(变否定句)Shedidn'tuseto work very late when she was young.
分析 当她年轻的时候,她常常工作到很晚.
当她年轻的时候,她没有常常工作到很晚.
解答 正确答案:didn't use.used to表示过去常常做某事,用于一般过去时,uesd是实义动词,则变为否定句应用助动词did,且did后动词应用原形use.
点评 本题考查句型转换,基础题,确定时态及助动词是解题关键.
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