小学英语一般过去式深刻复习课件材料.ppt

一般过去时,2.标志性时间词: yesterday ,then, last week / year / Sunday.,1.表示:过去一段时间内所发生的事情或 动作 动词过去式(动词+ed),一般过去时的构成,陈述句： was (am,is) 1 主语+be动词的过去式were(are) 2 主语+动词的过去式 规则变化/不规则变化。,动词+ed的变化规则,1)直接加ed, 如:play-played,2) 以e结尾的,直接加d，如： dance danced,3) 以“辅音字母+y”结尾的,改y为i,再加-ed，如：study-studied carry-carried,4)不规则变化： taketook seesaw readread do-did, get-got go-went, eat-ate, sing-sang,do see get read eat take sing go,saw,went,took,read,ate,sang,did,got,play,clean,visit,watch,wash,dance,carry,played,cleaned,visited,watched,washed,danced,carried,bought,buy,swim,swam,过去时的陈述句变过去时的一般疑问句,1 找到be动词（was/were),把be动词提前，其它部分抄下来，遇到you变成I/we,遇到I/we变成you. 例：I was short then. 2 没有be动词，借助动词，did. 例：Tom played football yesterday.,过去时的肯定句变否定句,1 找到be动词，在be动词后加not。 如：My dad was young then. 2 没有be动词，借did,在did后加not. 如：I liked cat then.,过去时的一般疑问句的构成及其答语,1 Was+主语+其它？ 2 Were+主语+其它？ 3 Did+主语+动词原形+其它？ 答语：用什么问，用什么答，问男答he,问女答she,问复数答they.问you答I/we. 例：Were they old then? Was Lingling at home yesterday? Did you play basketball last week?,过去时的特殊疑问句,(问动作) 1. What did do + 过去的时间? + 动词过去式.,例: What did Miss Tang do last night ? She watched TV.,例:1)Where did you go on your holiday? I went to Canada on my holiday. 2) Where did you go on your holiday? We went to the cinema.,(问位置) 2. Where did go+ 过去的时间? went to + 地方 或: went to the + 地点. (其中go to school 与go home 是例外的),例: 1)When did she go? She went last Sunday. 2)When did she go to Bejing? She went last winter holiday.,(问时间) 4. When did go/与go有关的短语? went + 过去的时间.,或: When did + 动词(原形)? + 动词过去式 + 过去的时间. (完整的动作),