人教版七年级上册《英语》四个基本时态(共32张PPT)ppt课件.ppt

1、什么叫英语时态？英语中表示时间的状态就叫时态。四种时态n一般现在时n现在进行时n将来时n过去时1.表示事物或人物的特征、状态。如：表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。天空是蓝色的。2.表示经常性或习惯性的动作。如：表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。我每天六点起床。3.表示客观现实。如：表示客观现实。如：The earth goes around the sun.地球绕着太阳转。地球绕着太阳转。一般现在时一般现在时概念概念一般现在时时间状语：often 经常，never 从不 usually

2、通常，always 总是，every day每天，sometimes 有时等。句子结构：1.主语+is/am/are+其他 2.主语（非单三）+动词原形+其他 3.主语（单三）+动词s或es+其他非单三非单三：I,you,we,they,复数。单三单三：he,she,it,单个人，单个物。一般现在时n动词变单三：1）直接加s，如：come-comes2)以o,x,s,sh,ch 结尾+es,如:do-does,wash-washes，go-goes3）辅音字母加y结尾，把y改为i，+es，如：fly-flies,worry-worries,carry-carries4）特殊：have-has一

3、般现在时n1.go-2.get-e-n4.put-5.have-6.see-n7.take-8.do-9.read-n10.know-11.buy-12.say-goesgetscomesputshasseestakesdoesreadsknowsbuyssays一般现在时n2.He often goes to school at seven.否定句:一般疑问句:He doesnt often go to school at seven.Does he often go to school at seven?肯定回答：Yes,he does.否定回答：No,he doesnt.选择题n()1.

4、Tom is a worker.He _ in a factory.His sisters _ in a hospital.nwork,work B.works,work C.work,works n()2.Who _ English best in your class?nspeak B.speaks C.speaking n()3.He often _ the windows.nA.is cleaning B.clean C.cleans n()4.We _ music and often _ to music.nlike,listen B.likes,listens C.like,are

5、 listening BBCA填空1.I _ from China.(be)2.Jack and Tom _ my friends.(be)3.Your parents _(read)books every day.4.Li Lei always _ to school at 7:30.(come)5.You always _(do)your homework well.amarereadcomesdo6.The child often _(watch)TV in the evening.7.Wang Kai and Wang Li_(have)lunch every day.8.We oft

6、en_(play)in the playground.9.Chen Jie sometimes _(go)to the park with her sister.watcheshaveplaygoes10.He often _(have)dinner at home.11.Daming and Tommy _(be)in Class One.12.We _(not watch)TV on Monday.13.Nick_(not go)to the zoo on Sundays.14.They _(like)the apples.15.Do you _(eat)dinner at home.16

7、.They dont _(get)up at five.hasaredont watchdoesnt golikeeatget定义定义：现在进行时表示现在或当前一般时间正在现在进行时表示现在或当前一般时间正在进行的动作进行的动作现在进行时现在进行时标志词标志词常与常与Listen，Look，now，连用连用句子结构句子结构:主语主语+be+动词的现在分词动词的现在分词 I am listening now口诀：我用am，你用are，is用在他她它，单数名词使用is，复数名词使用are现在进行时n动词动词ing的变化规律：1）直接加ing，如：open-opening,clean-cleanin

8、g2）去掉词尾不发音的e，如：take-taking,have-having,3）重读闭音节的，双写最后的字母，加 ing,如：put-putting,begin-beginning,swim-swimming,run-running,现在进行时nstudy_ make_ swim_nstop_ come_ close_nhave_ run_ drive_nwash_ begin watch_ntake talk putstudyingmakingswimmingstoppingcomingclosinghavingrunningdrivingwashingbeginningwatchingt

9、akingtalkingputting现在进行时n1Mr Zheng (read)a book now.n2.The rabbits(jump)now.n3.Look!Tom and John (swim).n4.My brother(make)a kite in his room now.n5.Look!The bus(stop).n6.We(have)an English class now.is readingare jumpingare swimmingis makingis stoppingare having现在进行时否定形式:在be动词后面加not 例如：I am not sin

10、ging.They arent writing.一般疑问句及回答：把be动词放在句首例如：Am I singing?Yes,you are./No,you arent.Are they writing?Yes,they are./No,they arent.现在进行时n1.The boy is playing basketball.n否定句：_n一般疑问句：_n肯定回答：_n否定回答：_The boy isnt playing basketball.Is the boy playing basketball?Yes,he is.No,he isnt.一般将来时定义定义：表示将要发生的事或打算、

11、计划、决定要表示将要发生的事或打算、计划、决定要 做的事情做的事情。标志词：标志词：常与tomorrow,next week/weekend/month/year,this morning/afternoon/evening连用句子结构句子结构：1.主语主语+be going to+动词原形动词原形 2.主语主语+will+动词原形动词原形 3.主语主语+shall+动词原形动词原形 否定形式：否定形式：把be动词或will后面加not例如：Jim is not going to play football.Jim will not play football.一般疑问句：一般疑问句：把be动

12、词或will调到句首，例如：Is Jim going to play football?Yes,he is./No,he isnt.Will Jim play football?Yes,he will./No,he wont.will not=wont填空题1.We_(visit)the Great Wall next month.2.My father _(fly)to Beijing tomorrow.3.Tom_(clean)the room next week.4._she_(learn)English soon?Yes,she will.5._ you _(borrow)books

13、from the library tomorrow?6.I _(buy)a new one next Saturday.will visitwill flywill cleanWill learnWill borrowwill buy过去式定义：定义：一般过去时表示过去某个时间发生一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的的动作或存在的状态。常和表示过去的时间状语连用。时间状语连用。标志词：标志词：如：如：last week,yesterday，in 2000,last Sunday句子结构：句子结构：1.主语主语+was/were+其他其他 2.主语主语+动词的过去式动

14、词的过去式+其他其他动词过去式的规则变化一般情况，直接加上-ed。如：look-looked。以不发音的字母e结尾的动词，加-d。如：live-lived。以重读闭音节结尾，先双写辅音字母，再加-ed。如：stop-stopped辅音字母+y结尾的动词，先变y为i，再加-ed。如：study-studied。动词过去式的不规则变化am,is-was are-were do-did see-saw say-said give-gave get-got go-went come-came have-had eat-ate take-took run-ran sing-sang put-put ma

15、ke-made read-read write-wrote draw-drew drink-drank fly-flew ride-rode speak-spoke sweep-swept swim-swam sit-sat 肯定句：I went to the zoo yesterday.一般疑问句：Did you go to the zoo yesterday?肯定回答：Yes,I did.否定回答：No,I didnt.否定句：I didnt go to the zoo yesterday.肯定句：They were good friends then.一般疑问句：Were they go

16、od friends then?肯定回答：Yes,they were.否定回答：No,they werent.否定句：They werent good friends then.选择题1.She made a cake _.A tomorrow B sometimes C yesterday morning 2.What _ Mike do last weekend?A do B does C did3.I _ my room last Sunday.A cleaned B clean C am cleaning4.I often help my mother _ housework.A do

17、es B did C do 5._ you _ TV last night?A Do,watch B Did,watch C Did,watchedCCACB用动词的适当形式填空用动词的适当形式填空 1.He _(live)in China in 2001.2.The cat _(eat)a bird last night.3.We _(have)a party last Saturday.4.Peter _(go)to the park yesday.5.Did you_(see)your sister?6.They didnt_(drink)water.7.My mother _(cook)a nice food last week.8.The girls _(sing)and _(dance)at the party three days ago.livedatehadwentseedrinkcookedsangdanced反身代词nmyself(我自己)n yourself(你自己)nhimself(他自己)nherself(她自己)nitself(它自己)nourselves(我们自己)nyourselves(你们自己)n themselves(他们/她们/它们自己)