初一常用英语时态

1、关于初一常用英语时态第一张，PPT共十六页，创作于2022年6月 在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。 每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别重点掌握时态Tense第二张，PPT共十六页，创作于2022年6月时态现在进行时：一般现在时：一般过去时：现在正在进行的动作 经常或习惯性的动作或存在的状态。过去某个时间或时间段发生的动作或存在的状态。(The Present Continuous Tense)(The Simple Present Tense)(The Simple Past Tense)第三张，PPT共十六页，创作于2022年6

2、月各时态常用的信息词现在进行时：一般现在时:一般过去时: now , Look! Listen! at this time Where is ? Dont talk! Its 8:00am. always , usually, often, sometimes ,seldom, never, every day, every ,three times a day last night, last, two days ago, ago, in 1999, in +过去的年份, just now =a moment ago, yesterday, yesterday morning 第四张，PPT

3、共十六页，创作于2022年6月各时态常用的信息词现在进行时：一般现在时:一般过去时: now , Look! Listen! at this time Where is ? Dont talk! Its 8:00am. always , usually, often, sometimes ,seldom, never, every day, every ,three times a day last night, last, two days ago, ago, in 1999, in +过去的年份, just now =a moment ago, yesterday, yesterday m

4、orning 第五张，PPT共十六页，创作于2022年6月改一般疑问句的方法：改否定句的方法：首先看有无be动词，如果有，将be提到句首并大写，句末打问号.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。V-原形V-s/esV-ed(过去式)+动词原形?以此类推首先看有无be动词，如果有，在be 动词后面加not.如果没有be 动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。主语+dont/doesnt/didnt+动词原形DoDoesDid第六张，PPT共十六页，创作于2022年6月现在分词 的

5、构成：动词第三人称单数的构成：过去式的构成：直接加-ing.重读辅元辅，双写尾字母加-ing.以e 结尾去e加-ing .直接加-s.以s, x, ch, sh, o结尾加-es.以“辅音+y “结尾变y 为i再加-es.直接加-ed.以e结尾只加d.重读辅元辅，双写尾字母再加-ed.以“辅音+y”结尾变y 为i 再加-ed.第七张，PPT共十六页，创作于2022年6月 对比时态动词形式否定句一般问句现在进行时 一般现在时一般过去时表格对比学习be+v-ing(现在分词）在be 后加上not Be提到句首V -原形V-三人单在行为v.前借用do ,does后加not，行为动词还原Do,Does

6、 提到句首，行为动词还原V-ed(过去式）在行为v.前借用did后加not，行为动词还原Did 提到句首，行为动词还原第八张，PPT共十六页，创作于2022年6月 对比时态动词形式否定句一般问句现在进行时 一般现在时一般过去时表格对比学习be+v-ing(现在分词）在be 后加上not Be提到句首V -原形V-三人单在行为v.前借用do ,does后加not，行为动词还原Do,Does 提到句首，行为动词还原V-ed(过去式）在行为v.前借用did后加not，行为动词还原Did 提到句首，行为动词还原第九张，PPT共十六页，创作于2022年6月小小测试判断时态形式：He always lik

7、es playing the piano.( )We are having an English classes now.( )They often go home late.( )Lucy danced the disco at the party last night.( )I liked go to the zoo when I was young.( )My teacher is friendly to us.( )Look! They are playing football.( )She was born in 1990.( )I lost much money last nigh

8、t.（ ）A.现在进行时B.一般现在时C.一般过去时ABCABBCCC第十张，PPT共十六页，创作于2022年6月 have - look - begin- use- shop- get- dance- study-现在分词第三人称单数过去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like- having looking beginning using shopping getting dancing studying studies finishes has goes does pl

9、ays watches gives needed stopped hoped played tried planned visited liked词形转换第十一张，PPT共十六页，创作于2022年6月He is a teacher.你会了吗？2. Kangkang comes from China.3. I usually take the bus to work.4.They are having classes.5.Jane played the guitar last night.先（一般疑问句） 再（否定句）Is he a teacher?He isnt a teacher.Does

10、Kangkang come from China?Kangkang doesnt come from China.Do you usually take the bus to work?I dont usually take the bus to work.Are they having classes?They arent having classes.Did Jane play the guitar last night?Jane didnt play the guitar last night.句型变化操练第十二张，PPT共十六页，创作于2022年6月用所给动词的适当形式填空。1. Li

11、sten! Mary _ ( sing) now.2. A young man _ (run) on the playground now.3. My mother _(watch) TV play every day.4. Old Bush _(visit) China again last month.5. I _ (play) sports three times a day.6. Look! Lucy and Lily _(read) books.7. There _(is) a football match yesterday afternoon.8. Our class _( go

12、) to the zoo three days ago. is singing is running watches visited play are reading was went第十三张，PPT共十六页，创作于2022年6月判断下列信息词是属于哪种时态 last night now every day Look! yesterday often Listen! two years ago alwaysin 1897 three times a week 一般现在时一般过去时现在进行时第十四张，PPT共十六页，创作于2022年6月过去式的不规则变化 blow - buy - can - come- do - eat - fall - find - forget - get - give- go - have- know- learn - make - meet - read - run - say - see - send- sit - take- think- will - tell - begin - teach - catch - blew bought could cam