英语七下一般过去式.ppt
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be动词、实义动词的过去式 By Phoebe 一. be 动词的过去式 → was/were; am/is → was;are → were 1. 过去式be动词,表示“过去时间中发生的状态” 例: 1. 现在式 He is busy now. 2. 过去式 He was busy then. 那时他很忙。 ※时间副词改变,动词也必须改变。动词随着时间而改变形态,称为时态。 例: 1.(现在式) My parents are at home now.我的父母现在在家。 2.(过去式) My parents were at home yesterday. 我的父母昨天在家。 2. be动词(过去式)的否定句 → 主语+ was / were +not 例:1. Mr. Brown was a vet. 否定 Mr. Brown wasnt a vet . 2.Joe and Brian were in the living room at that time. 否定 Joe and Brian werent in the living room at that time.(then) 3. be动词(过去式)的疑问句 → 肯定句:主语+was / were...疑问句:was / were + 主语...? 例: 1. Wendy was in the seventh grade last year. Wendy去年就读7年级。 疑问句 Was Wendy in the seventh grade last year? 答语:Yes,主语+was / were. No,主语+was / were+not. 例: Were you a pianist? (piano 钢琴,pianist钢琴家)artist Yes , I was. / No. I wasnt. 进行时(含有Be) am/are/is+V-ing was/were+V-ing 被动语态(含有Be) 二、实义动词的过去式 → 规则变化/ 不规则变化(现在时三单V-s/V-es) 2. 不规则变化 如 eat-ate / read/i:/(瑞得)- read/e/ (瑞爱得)注意写法一样 读音不同 ride - rode、come-came、have - had、(has) see - saw(seesaw跷跷板)、go - went、teach - taught、(gh在单词中间不发音,在词尾发音) give - gave、take - took(多记单词,多查词典) 现在 I walk to school every day. 过去 I walked to school yesterday. 动词随着时间改变形态 Mother goes to a supaermarket every morning .妈妈每天早上去超市。 过去式 Mother went to a supermarket yesterday morning .妈妈昨天早上去超市了。 ※主语为第三人称单数,V过去式不需加s,过去式是不分人称的。 3.实义动词(过去式)的否定句 → 需用助动词 did 肯定句:主语 + 实义动词(过去式) 否定句:主语 + did not + 动词原形 例1. He called you last night. 他昨天打给你电话了 否定 He didnt call you last night. 他昨天没有给你打电话。 例2. My sister and I watched TV all day yesterday. 我的姐姐和我昨天一天都在看电视。 否定 Mysister and I didnt watch TV all day yesterday. 我和我的姐姐昨天并非一天都在看电视。 (not …all 并非全部,并非所有) ※比较:否定句 (过去式) be 动词 She was at home. She wasnt at home. 实义动词 She studied English. She didnt study English. 4.实义动词(过去式)的疑问句 肯定句:主语+ 实义动词(过去式)... 疑问句:Did +主语 + V原形...? 例1. His friends went to that movie last week. 他的朋友们上周去看电影了。 疑问句 Did his friend
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