SectionAGrammarfocus4a—4c

Unit 4 单元语法精讲与精练单元语法精讲与精练 单元语法精讲单元语法精讲 used to do sth 用法小结 used to do sth 表示 过去常常做某事 将过去和现在对比 暗示现在 不做了 to 为动词不定式符号 后接动词原形 它只用过去时 可用于各种人 称 eg He used to go to school at six o clock 他过去常常六点去上学 结构 1 肯定句 used to 动词原形 eg I used to get up late but now I exercise every morning 我过去常常起床晚 但现在我每天早上锻炼 2 否定句 used to 的否定句形式为 didn t use to 或 usedn t to eg The little boy didn t use to study hard 这个小男孩过去学习不努力 3 般疑问句 含有 used to 的句子变成一般疑问句时 可用 助动词 Did 主语 use to do sth 或 Used 主语 to do sth 结构 肯定回答用 Yes sb did Yes sb used to 否定回答用 No sb didn t No sb usedn t to eg Did your father use to go to work on foot 你父亲过去步行上班吗 Yes he did No he didn t 是的 他是 不 他不是 4 特殊疑问句 含有 used to 的特殊疑问句的结构为 疑问词 助动词 did 主语 use to do eg What did you use to do 你过去常做什么 5 反意疑问句 used to 的反意疑问句可由 did used 或 didn t usedn t 构成 遵循 前肯后否 前否后肯 的原则 主语一般用代词 eg Bob used to like pop music didn t he usedn t he 鲍勃以前喜欢流行音乐 是吗 The students didn t use to play soccer did they 学生们过去不踢足球 是吗 拓展 1 be used to doing sth 表示 习惯于 做 某事 可用于多种时态 be 可用 get 或 become 来代替 to 是介词 后接名词或代词 eg He used to get up late but now he has got been used to getting up early 他过去总是起床很晚 但现在他已经习惯早起 2 sth be used to do sth 表示 某物被用来干 eg The clock is used to tell time 钟是用来报时的 单元语法精练单元语法精练 一 用所给词的适当形式填空 1 Lily s father used play table tennis 2 Jane is a hard working girl she is used to get up early 3 Wood is used to make desks chairs tables and so on 4 you use to be short 5 Today computers are use in both work and study 二 根据汉语提示完成下列句子 每空一词 1 He 以前是 a history teacher in our school 2 There 以前有 an old temple near the village 3 She 习惯于散步 after supper 4 Wood 被用来制造 paper 5 Mrs Black 已习惯于 eating with chopsticks 三 按要求进行句型转换 每空一词 1 My brother used to play football after school 改为一般疑问句 your brother play football after school 2 Tom used to be a quiet boy 改为否定句 Tom be a quiet boy 3 There used to be an old hospital behind our school 完成反意疑问句 4 I used to see my aunt once a month 对画线部分提问 you use to see your aunt 参考答案 一 1 to play 2 getting 3 make 4 Did use 5 used 二 1 used to be 2 used to be 3 is gets used to walking 4 is used to make is u