小学英语语法课件-一般过去时（新授课）.pptxVIP

一般过去时 一般过去时构成定义时间状语主语+动词的过去式1. 表示过去某个时间发生的动作或存在的状态。2. 表示过去经常或反复发生的动作。yesterdaylast night/weekin 1990 just now...agothe simple past tense (2) 重读闭音节结尾的单词，要先双写这个辅音字母，再加-ed。(1) 一般情况下在动词后加-ed。 动词如何变成过去式？ 分为规则变化和不规则变化。 规则变化有四种： e.g. play— visit—　 walk— playedvisited walked e.g. stop—　 drop— 　 plan— droppedstopped planned (4) 以不发音的e结尾的词，在词尾加-d。(3) 以辅音字母加y结尾的单词，先改y为i，再加-ed。 动词如何变成过去式？ 分为规则变化和不规则变化。 规则变化有四种： e.g. study— 　 carry— 　 e.g. note— like— 　 name— 　 studiedcarriedlikednotednamed 特 过去式的否定句以及疑问句 天天向上过去式的否定句主语＋was/were＋not主语＋didnt＋动词原形 I told them the news yesterday.I _________ them the news.didn’t tellHe was late for class last week .He ________ late for class last week .was not 过去式的一般疑问句 Was / Were + 主语 +其他成分? 一般疑问句Did + 主语 +动词原形? 有be动词吗？无Did＋动词原形Did Bill play soccer last sunday？Bill played soccer last Sunday. Was / Were + 主语 +其他成分? They finished their work at four.____ they _____ their work at four?Yes, they _____. No, they _____.Didfinishdiddidn’t一般疑问句Did + 主语 +动词原形? Was / Were + 主语 +其他成分? 一般疑问句Did + 主语 +动词原形?He was late for class last week ._____ late for class last week ?Was heYes, he_____ . No, he ______.waswasnt 过去式的特殊疑问句 特殊疑问词 +did + 主语 +行为动词原形 特殊疑问词 +was / were + 主语 +其他成分They finished their work at four.AB 对划线部分提问A:B:What did they do at four?When did they finish their work?特殊疑问句 1. 表示在过去某时间发生的动作或存在的状态，常与 just now，yesterday，last week， two years ago 等表示过去的时间状语连用。如： I did my homework just now. 我刚刚做作业了。 2. 表示过去某一段时间内经常或反复发 生的动作或习惯。 如： She always went swimming last summer. 去年夏天她总是去游泳。3. 用于叙述性文字（如故事、小说、童话等）或谈论已故的人时。 如： Long long ago, there was a cute dog. 很久很久以前，有一只可爱的狗。 一般过去时的用法 ____ you ________ (remember) to buy the oranges?2.Who ________ (invent发明) the computer？3.What time ____ you ____ (get) to school this morning?4.Jim ___ (do