6AUnit 5 一般过去时

一般过去时一、定义：表示过去某时发生的动作或存在的状态。二、结构：“主语+动词的过去式”三、用法：1.表示过去某个时间发生的动作或存在的状态。He was here yesterday.I got up at seven yesterday morning.My mother was at work yesterday afternoon.Did you have a good time last summer?2.常与一般过去时态连用的时间有：at that time, at that moment, yesterday, yesterday morning (afternoon, evening)last night (week, month, year,Monday), 一段时间+ago:two days ago, a week ago, three years agoin 1990, (in 1997) ,just now, a moment agothis morning,on Sunday,on Sunday morning四、动词过去式构成规则 （一）1、一般在动词原形末尾加 ed help helped, look looked, play played, work worked, listen listened, wash washed, clean cleaned,2、结尾是 e 的动词加 d dancedanced tastetasted live-lived hope-hoped(希望） use-used like - liked3、末尾只有一个辅音字母的重读闭音节词,先双写这个辅音字母,再加edstop-stopped plan-planned(计划)4、结尾是“辅音字母+y”的动词,先变“y”为“i”再加ed study-studied carry -carried cry - cried worry worried (二) 动词过去式的读音规则结尾清辅音，ed发成/t/ 例：ask asked, cook cooked, pass passed,不是清辅音，wsed发成/d/例： move moved, live lived, listen listened, stay stayed遇到/t/ /d/发/d/例：shout shouted, start started,want wanted, need needed(三)不规则动词的过去式：1、过去式与动词原形的拼写形式相同：let let, put put, read read,(注意read的过去式读red)2、i a: begin began, drink drank, give gave, ring rang, sing sang, sit sat, swim swam3、i o: drive drove, ride rode, write wrote4、ow ew: grow grew, know knew, throw threw5、含ough或augh的：bring brought, buy bought, think thought；catch caught, teach taught6、am is -was are -were do-did can-could come-came go went have,hashad eat-ate make-made不规则动词的过去式平时出现要留心,逐个熟记,注意积累。五、练习：一、写出下列单词的过去式：(1)do/does _ have/has _ go _ am,is _are _ come _ sing _ run _swim _ draw _ make _ put _fly _ eat _(2)taste _ cook_ play _ study _ listen _ watch _ live _ visit _ask _ need _ jump _ clean _start _ pull _二、给上面第二类（2）的单词过去式的ed发音归类：/t/ /d/ /d/ 三、用 “am , is , was”填空。1. I _ a teacher now. I _ a student five years ago.2. He _ a worker now. He _ a little boy ten years ago.3. It _ there a moment ago .4. The film _ in the playground a moment ago .5. The newspaper _ on the table a moment ago.6. The storybook _ on the bookcase now. But it _ on the chair a moment ago .7. Where _ it now?8. Where _ it a moment ago?9. Yang Ling _ at home now. But she _ at school just now.10.Wang Bing _reading books now .四、用所给动词的适当形式填空。1.Tom _ (visit) a farm last week.2. The twins _ (water) the flowers in the garden yesterday morning. 3. I _ (watch) a film with my friend last Friday.4. My father _ (be) in London last year.5. What_ (do) you do three days ago? I _(go) to Shanghai with my mother.6. _ (be) there a