中考英语一轮复习详解usedto结构.docVIP

2011中考英语一轮复习—详解“used to” 结构 1. used to意为“过去经常;以前常常”,后接动词原形,表示过去的习惯。如:He used to play football after school. 他过去常常在放学后踢足球。2. used to的否定形式和疑问形式可以借助于助动词did或自身形式构成。如:He didn’t use to smoke. =He used not / usedn’t to smoke. 他过去不经常抽烟。Did there use to be wolves here? =Used there to be wolves here? 这里以前常有狼出没吗?3.含有used to的反意疑问句的附加部分常借助于助动词did构成。如:She used to go to work by bus, didn’t she? 她过去常常坐公共汽车去上班,是吗?She didn’t use to do it, did she? 她过去不做那种事,是吗?有时候在附加疑问部分中也可以使用usedn’t。如:There used to be a bookshop here, usedn’t there?这里过去有一家书店,是吗?相关拓展:used to do与be / get used to doing 的区别 used to中的to是动词不定式的标志,后面只能跟动词原形,表示过去存在但现在已经停止的情况或习惯;而be / get used to中的to 是介词,后面只能跟名词或v-ing形式,意为“习惯于(做)……”。如:I’m used to hard work. 我习惯于艰苦的工作。My grandfather is used to getting up early in the morning. 我的祖父习惯于早起。[跟踪练习] I. 根据括号内的要求完成下面句子, 每空一词, 含缩写。1. Tom used to watch TV.(改为否定句)Tom _______ _______ _______ watch TV.2. Helen used to play computer games a lot every day.(改为一般疑问句)_______ Helen _______ _______ play computer games a lot every day?3. Eric used to be very thin. (改为反意疑问句)Eric used to be very thin, _______ _______?II. 用括号内所给动词的适当形式填空。 4. My sister used to _______ (be) a nurse. 5. I’m used to _______ (wash) my face with cold water.????????????????????????????????????????????????????????????????????????????? 安徽? 姜经志 Key:1. didn’t use to / used not to??2. Did; use to? 3. didn’t / usedn’t he????? 4. be?????? 5. washing??????????????????????? 第 1 页 共 2 页