一般现在时、现在进行时及一般过去时讲解.ppt

1、时态大比拼,一般现在时态 现在进行时态 一般过去时态 讲解与练习,He works. He is working. He worked.,何为时态？,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。,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。,过去某个时间或时间段结束的动作。,一般现在时,every, sometimes, at times always , usually, often,seldom, never, every ,three times a day,现在进行时,一般过去时,yesterday, last week

2、, -ago, the other day, in+年, just now ,When,nowthese days, right now， Look,Listen.at Present，at the moment,Tom always gets presents on his birthday. They usually go to school at seven oclcok. My mother often watches TV on the computer. We sometimes play basketball after school.,总 是,通 常,经 常,有 时,Hes t

3、welve. I am a student.,一般现在时：表示现在的状态或经常、 习惯性的动作：,Look!,Lily,Lucy,现在进行时,表示现在说话瞬间正在进行的动作。 She is reading in the reading room now. We are working on a farm these days.,1、Lucy did her homework at home.（改否定句） Lucy _ _ her homework at home. 2、He found some meat in the fridge.（变一般疑问句) _ he _ _ meat in the

4、fridge? 3、There was some orange in the cup.（变一般疑问句) _ there _ orange in the cup?,didnt,do,any,find,Did,Was,any,1 一般过去时表示过去某个时间结束的动作或存在的状态。,I did my homework yesterday. I played soccer last Sunday. I cleaned my room last week. I went to the beach three years ago. I played tennis with my friends last

5、weekend. I went to the movies three days ago.,He is a teacher.,2. Kangkang comes from China.,3. I usually take the bus to work.,先（一般疑问句） 再（否定句）,Is he a teacher? He isnt a teacher.,Does Kangkang come from China? Kangkang doesnt come from China.,Do you usually take the bus to work? I dont usually take

6、 the bus to work.,句型变化操练,4.They are having classes.,5.Jane played the guitar last night.,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,改一般疑问句的方法：,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/

7、did,并且行为动词要还原。,V-原形 V-s/es V-ed(过去式),+动词原形 ?,改否定句的方法：,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,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,在实义v.前借do ,does后加not，动词还原,Do,Does 提句首，+动原,V-ed (过去式）,在实义v.前借用did后加not，+动原,Di

8、d 提到句首，实义动词还原,Complete the sentences. 王先生是我们的英语老师。 1.Mr Wang _ (be) our English teacher. 2.Mr Wang _ ( not be) our English teacher. 3._ (be)Mr Wang our English teacher? 4.Yes,_ _ . No,_ _ .,is,is not/isnt,Is,he is,he isnt,一般现在时,写出下列动词第三人称单数形式 1. work works read reads 2. clean cleans write writes 3.

9、teach teaches wash washes 4. guess guesses watch watches 5. go goes do does 6. study studies fly flies 7.cry cries play plays 8. have has,动词第三人称单数,动词-ing形式的构成：,writing taking,getting running swimming,asking,1. look looked2. live lived3. stop stopped 4. carrycarried5. hopehoped6.think thought 7. Call

10、called 8. finish finished9. want wanted 10.Arewere 11.go went12.have had 13.dodid14.get e came 16.say said 17.see saw18.put put 19.eat ate20.take took 21.read read,动词过去式练习,动词过去式 的构成,规则动词,不规则动词,规则动词过去式的构成,构成规则,例词,一般在动词末尾加 ed look looked play played 结尾是 e 的动词加 - d live lived hope hoped,辅音字母+元音+辅音 ，双写

11、最后的 辅音，再加ed,stop stopped plan planned,结尾是“辅音+y”的动词，变“y”为“i”再加ed,study studied carry carried,用所给动词的适当形式填空。,1. Listen! 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 time

12、s a day. 6. Look! Lucy and Lily _ (read) books. 7.There _ (is) a football match yesterday. 8. Our class _( go) to the zoo three days ago.,is singing,is running,watches,visited,play,are reading,was,went,时态大比拼 1、She got up at seven oclock yesterday. （用 now改写） She is getting up now . 2、（用 every day改写）

13、She gets up at seven oclock every day.,时态大比拼,时态大比拼,Tom cleans his room on weekends. （用two hours ago改写） Tom cleaned his room two hours ago.,1、I usually wash my clothes in the afternoon. (用now改写) I am washing my clothes now. 2、(用last weekend改写) I washed my clothes last weekend.,选择填空 1、My mother often

14、oranges. A eat B. eats C. eating 2. My aunt sometimes very well. A. sing B. sings C. singing 3. They usually emails to their friends. A. send B. sends C.sending 4. He doesnt _ his homework at school. A.do B. is doing C. does 5. Lily and Lucy _ from America. A. is B. are C. am 6. the tigers always _ in China? A.Does; live B.Does ; lives C. Do ; live 7. People Spring Festi