一般现在时及三单(综合)
一般现在时语法三单精讲
一般现在时精讲一、什么是一般现在时：一般现在时：表示经常性的事情,经常性的动作或一般性事实;结构：主语+动词单数或者复数根据主语决定二、什么时候用一般现在时：1. 当句子表示客观真理,客观存在,科学事实时：The earth moves around the sun.Shanghai lies in the east of China.2. 当句子是名言警句时：Pride goes before a fall.骄者必败;3. 当句子表示现在时刻的状态、能力、性格、个性：I don't want so much.Ann Wang writes good English but does not speak well.4. 当句子中出现了时间标志语：1表示频度的副词或词组always ,often, usually, sometimes,once a year等2every day, in the morning, every year,at …在几点钟等时间状语三、一般现在时怎么用：当句子符合上面任何一种情况,则句子采用一般现在时,这时候动词要开始改变啦,兵分2路改变：大部队一路：当主语是第三人称单数时：1、动词变成相应的第三人称单数形式动词的复数形式2、肯定句：主语+动词复数+其它3、否定句：主语+doesn't+动词原形+其它其中的does代表动词的复数,不代表没有任何意义4、一般疑问句：Does+主语+动词原形+其它5、肯定回答：Yes,主语+does6、否定回答：No,主语+doesn't7、特殊疑问句：特殊疑问词+一般疑问句一般疑问句中用does小分队一路：当主语不是第三人称单数时：1、动词不变成相应的第三人称单数形式动词不用变成复数2、肯定句：主语+动词原形+其它3、否定句：主语+don't+动词原形+其它其中的do代表动词的单数,不代表没有任何意义4、一般疑问句：Do+主语+动词原形+其它5、肯定回答：Yes,主语+do6、否定回答：No,主语+don't7、特殊疑问句：特殊疑问词+一般疑问句一般疑问句中用do总结起来就是这样的四、那么,动词如何变成复数呢：三单变化：1直接在动词词尾加-s.ask---asks work---works get---gets stay---stays2以字母s, x, ch, sh或o结尾的动词,在词尾直接加-es.watch---watches wish---wishes fix---fixes do---doesgo---goes pass---passes3以“辅音字母加- y”结尾的动词,要先变y为i再加-es.try---tries study---studies cry---cries fly---flies一、考点/易错点1动词变形有误1 He __ football very well.2 Danny __ to school at 7:10.答案：1 plays 2 goes plaies, gos解析：1以加y结尾的动词变单三人称形式才能把y换成i再加es；2与名词变复数不同,变单三人称形式以o结尾的词要加es.考点/易错点2对主语判断有误例：This book __mine答案: is解析: 书是属于“它it”的范围,是无生命的它,所以也是三单;二、例题精析We often___________play in the playground.A. playB. playsC. plaiesA主语是”we”,“often”是频率副词,句子用一般现在时三、实践运用基础1. The picture _______ nice.A. looksB. is lookedC. lookD. is looking答案：A解析：主语是第三人称单数,谓语动词用三单形式2. I ________TV once a week.A. watchesB. watchsC. watch答案：C解析：once a week一周一次,表示频率,动词用一般现在时;主语是第一人称,动词用原形; 巩固1. John always ______ others.A. helpB. helpingC. helpsD. to help答案：C解析：主语是第三人称单数,谓语动词用三单形式2. The teacher told us that the sun ____in the east.B. roseC. raises答案：A解析：太阳从东方升起,这是客观事实,用一般现在时,动词要用单三式拔高1. The students will go to the Summer Palace if it _____ tomorrow.A. don't rainB. doesn't rainC. won't rain答案：B;2. You should visit this part of the country when ___.A. spring will comB. spring comesC. It has been springD. It will be spring答案：B解析：when引导的时间,从句一般时态,主句用态或;所以选B专项练习：写出下列动词的相应形式：1. 第三人称单数：wash_________ match _______guess______ study______finish_________ go________ snow______ carry_________2.写出下列动词的过去式：stop______ see________ drive ________let_______carry______ keep_____ join______ find_______ think________ teach______catch______3. 写出下列动词的现在分词形式：stay_______ begin______ forget_______forget______ lie________ die _______ run_______ prefer______ give________ring_______ dance______ hope_______II. 用所给动词的适当形式填空：√1．I ________write to you as soon as I _______get to London.√2. He doesn’t feel well and ____________not eat any food this morning.√3. He ______ not _______see me come in, for he ___________read something with great interest.√4. I _________let you have the book as soon as I _________finish it.√5. While we ________wait for our teacher, a little boy ________run up to us.6. Don’t make a noise. Grandpa __________sleep.’s seven now, Tom’s family__________watch TV.√8. It ________take me two hours to finish my homework last night.√9. What ______ your mother _______do at eight yesterday evening She _______wash clothes.10. _______ it ______ rain when school was over yesterday11. What _______do _______ tomorrow We ________ play football.12. There ________ be a football match on TV this evening.13. They said they ________ visit the Great Wall the next summer holiday.√14. Who _______ dance the best in your class15. Will you come if he _____________ not come√16. The teacher told us the earth __________ move round the sun.17. They _______ have a party in the garden if it ________ not rain tomorrow.18 She ________ buy a sweater yesterday.19. I don’t know if ______ go to Shanghai tomorrow. If he _____ go, I ______ ask him _______ take some books to my daughter, because she _______ study there.III单项选择：students will go to the Summer Palace if it _____ tomorrow.’t rain B. doesn’t rain C. won’t rain2. There _____ an English film next week.A. will haveB. is going to haveC. is going to beD. was going to be3. The picture _______ nice.A. looksB. is lookedC. lookD. is looking4. She ______ down and soon fell asleep.A. liveB. lainC. laidD. lay5. They _____ the office at nine yesterday morning.A. reached toB. arrivedC. wentD. get to6. We shall go to Shanghai on business before you _____ back next week.A. wil comeB. cameC. would comeD. come7. Don’t smoke until the plane ______ off.A. takesB. tookC. was takenD. is take8. I saw her ____ the room this morning.A. to enterB. enteredC. enterD. entersteacher asked us ______ to school on time. A. to come B. coming C. come D. comes 10. John is always ______ others. A. help B. helping C. helps D. to help 11. He told us ______ at eight. A. working B. to work C. work D. worked 12. You’d better ______ at home and______ your homework. A. to stay, do B. stay, do C. to stay, to do D. stay, to do 13. He sat down ______ a rest. A. having B. have C. to have D. had 14. Uncle Wang knows _______ a washing machine. A. how to make B. to make C. how making D. what to make 15. Jim decided _______ Polly to Ling Feng when he was back to England. A. to leave B. left C. leaving D. leave。
一般现在时
语法二：一般现在时一般现在时：表示经常性的事情。
时间状语：often经常, usually通常, always总是，every每个, sometimes 有时，at…在几点钟它的动词变化与主语人称有关，只有肯定句中第三人称单数用动词三单（动词加s/es），其余动词均用原形。
在否定句和问句中，因为有助动词do, don’t , does , doesn’t，所以后面的动词用原形。
三单变化：1、多数在动词后加s,例如play—plays like—likes2、以s，x，sh，ch，o结尾的动词加es :go—goes wash—washes watch--watches3、以辅音字母加y结尾，把y改i再加es 如：fly—flies study—studies 一般现在时的变化：1、肯定句：主语（非三单）+动原+其它/ 主语（he , she ）+动词三单+其它。
2、否定句：主语（非三单）+don’t+动原+其它/ 主语（he , she ）+动原+其它。
3、一般疑问句：Do +主语（非三单）+动原+其它/ Does +主语（he, she ）+动原+其它。
4、特殊疑问句：特殊疑问词（What, Where …）+do +主语（非三单）+动原+其它特殊疑问词（What, Where…）+ does +主语（he , she ）+动原+其它。
练习：1. We often___________(play) in the playground.2. He _________(get) up at six o’clock.3. __________you _________(brush) your teeth every morning？4. What (do) he usually (do) after school?5. Danny __________(study) English,Chinese,Maths,Science and Art at school.6. Mike sometimes __________(go) to the park with his sister.7. At eight at night, she __________(watch) TV with his parents.8. ________ Mike________(read) English every day?9. How many lessons _________your classmate________(have) on Monday?10. What time _________his mother_________(do) the housework?11. What you usually_______ (do ) on Sundays ?12. He ________( not like ) ( drink ) tea .13. They __________(not like ) __________( play ) cards.。
一般现在时及动词的三单形式和主格复习
原型do do(做,干) 三单形式 does
主语为第三人称单数时, 动词用第三人称单数形式.
I,you,we,they
he,she,it
当你说出的这句话表示目前(现在)这段时期经常 发生的状态或动作,句子时态要用一般现在时,动 词为原型
动词第三人称单数的变化规则 Let’s Talk
This is ...
We play ___ (play) football. Hegoes ___ (go) to school at seven. ___ he go to school at seven? Does ___ you have lunch at twelve? Do
实意动词的第三人称单数形式
主语为第一人称单数或复数,第二人称单数或复数时,第三人称复数 时,动词用原型
1、直接在动词后+s like- likes play-plays
He/ She is good at ... He / She is ...
2、以s, x, sh, ch, 接尾的动词：+es wash-washes
3、以辅音+o接尾的动词：+es go-goes 4、以辅音+y接尾的动词：变y为i+es
不规则变化：have-----has
Thank You!
L/O/G/O
动词短语： Let’s Talk
This is ... skips, He/ She is good atstarts, ... Helikes, / She is ... +s: Plays, sings, gives, buys some toys, gets up comes back home makes noodles, eats lunch drinks coffee begins his class , practises the piano +es : watches TV brushes his teeth goes to bed goes to school does my homework does some reading y→ i+ es: fly → flies study →studies
一般现在时第三人称单数、疑问句
小学英语语法时态讲解与归纳—、一般现在时意义：表示经常发生的事情，动作或存在的状态二.构成及变化动词的变化肯定句：主语+be(am,is,are)+其它。
如：Iamaboy.我是一个男孩。
否定句：主语+be+not+其它。
如：Heisnotaworker.他不是工人。
一般疑问句：Be+主语+其它。
如：./No,I'mnot.特殊疑问句：疑问词+一般疑问句。
如：Whereismybike 2.行为动词的变化（l）当主语为第一，二人称及复数时，助动词为do肯定句：主语+动词原(+它)。
如：Weoftenplaybasketballafterschool.否定句：主语+don't+动词原形(+其它)。
如：wedon’tplaybasketballafterschool.一般疑问句：Do+主语+动词原形+其它如：DoyouoftenplaybasketballafterschoollYes,wedo./No,wedon't.特殊疑问句：疑问词+以do开头的一般疑问句如：Whatdoyouoftendoafterschool（2）当主语为第三人称单数时,助动词为does肯定句：主语+动词三单式(+其它)。
如：Heswimswell.否定句：主语+doesn’t+动词原形(+其它)。
如：Hedoesn’tswim well.一般疑问句：Does+主语+动词原形+其它。
如：DoesheswimwellYes,hedoes./No,hedoesn't.特殊疑问句：疑问词+以does开头的一般疑问句如：Howdoesyourfathergotowork三．第三人称单数的动词变化规则（只有在第三人称为主语的肯定句中，动词才用三单式）(1)多数动词直接加s:runs getslikescolletstakesplays climbs…….(2)结尾是s,x,sh,ch,o,前为辅音字母,结尾加es:watches teaches goes does washes crossesmixes brushes(3)动词末尾y前为辅音:将y改为i加es:study→studiesfly→fliescarry→carriescry→cries但在y前如果为元音则直接加s:buyssays四．时间标志：always,usually,often,so metimes,every…一般现在时练习Heoften (have)dinnerathome. DanielandTommy (be)inClassOne.We (notwatch)TVonMonday.Nick (notgo)tothezooonSunday.they (like)theWorldCupWhattheyoften (do)onSaturdaysyourparents(read)newspaperseverydayThegirl (teach)usEnglishonSundays.SheandI(take)awalktogethereveryevening.There(be)somewaterinthebottle.Mike____(like)cooking.They____ (have)thesamehobby.Myaunt____(look)afterherbabycarefully. Youalways______(do)yourhomeworkwell.I (be)’mstayinginbed.She (go)toschoolfromMondaytoFriday.LiuTao_____(do)notlikePE.Thechildoften_____(watch)TVintheevening. SuHaiandSuYang____(have)eightlessonsthisterm.－Whatday___(be)ittoday－It’sSaturdayWinter, spring, summer and autumn (be)seasons.Danny (take) off his T-shirt now.Today (teach) a science lesson.Jenny and I (live) in Canada.Jenny (want) to go to school in chinaLet me (help) youShe eats a sandwich(总是)Li Ming goes to school by bicycle(有时)。
综合时态(一般现在时、现在进行时、一般将来时、一般过去时)
综合时态一般现在时一般过去时现在进行时 概念时间标志词结构经常性、习惯性的动作频率副词：always/ usually/often/sometimese very day/week/month/yearb e 动词实义动词a m \is \are否定句：be 后加not一般疑问句：be 动词提前动词原形（非第三人称单数）三单（第三人称单数）一般疑问句：Do they like pandas?一般疑问句：Does she like pandas?概念时间标志词结构已经发生过的动作或事情y esterday \ last week 、last month 、last year实义动词概念正在发生的事或动作时间标志词n ow\ look \listen结构b e+动词ing一般将来时概念还没有发生的事情或动作时间标志词t omorrow \ next day 、next week 、next year……结构w ill +动词原形b e going to +动词原形 w as \ were一般疑问句：Was she ten years old last year?肯定句： She was ten years old last year.否定句： She was not ten years old last year.b e 后加notb e 动词提前句式肯定句：She went shopping yesterday.否定句：She didn't go shopping yesterday.动词前加didn't,一般疑问句：Did she go shopping yesterday?句前加Did注意：didn't 和did 后动词要还原成原形动词变化规则一般情况直接加ed以不发音的e 结尾加d like——liked以辅音字母加y 结尾，变y 为i 加ed study——studied以辅元辅结尾的重读闭音节结尾，双写尾字母加ed stop——stopped肯定句：They like pandas.否定句：They don't like pandas.借助don't句前加Do肯定句：She likes pandas.否定句：She doesn't like pandas.动词前加doesn't句前加Does动词ing 变化规则句式肯定句： She is reading否定句：She is not readingb e 后加notb e 后加not一般疑问句：Is she reading?b e 动词提前直接加ing不发音的e 结尾，去e 加ing以重读闭音节结尾的单词，双写尾字母加ing shop——shopping以ie 结尾，变ie 为y 加ing lie——lying肯定句： He will visit his grandmother.否定句： He will not visit his grandmother.一般疑问句： Will he visit his grandmother ？肯定句： He is going to visit his grandmother.否定句： He isn't going to visit his grandmoter.一般疑问句：Is he going to visit his grandmother? 否定句：will 或be 后加not一般疑问句 will 或be 动词提前。
一般现在时及三单
一般现在时及三单时态一：一般现在时／动词第三人称单数、经常性、习惯性的动作；一、定义：1、事物或人物的特征或状态；2、客观现实、真理或规律。
3：Exampleusually, often, 、频率性的动作，通常与副词xx1. 表示经常性、习惯性、always, every day (year/ month ), once (twice, three times) a day on ，，in themorning/afternoon/eveningweek/moth/year（）, sometimes 等时间状语连用。
SundaysThey usually go to school by bike.I take the medicine three times a day.She helps her mother once a week.2.表示事物或人物的特征、状态Mary's father is a policeman.There are 50 students in my class.3. 表示客观真理，科学原理，自然现象等客观事实或格言、谚语等。
The sunrises in the east and sets in the west every day.The man whohas neverbeen to the Great Wall is not a real man.Tomorrow is Tuesday. 一般现在时及三单二、结构：肯定句：主语 + v原 /v“三单” (主语+ Be/情态动词/行为动词（原形或三单）+其它)否定句：主语+Be/情态动词/do/dose+not+其它一般疑问句：Be/情态动词/do/dose + 主语+其它特殊疑问句：特殊疑问词 + Be 动词/情态动词/do/dose + 主语+其它（对主语提问除外）对主语提问的特殊疑问句= 特殊疑问词+主语+动词原形/三单（肯定句的结构）+？总结：行为动词表示具体的动作，be动词表示状态，情态动词表示态度。
动词三单形式及一般现在时
一般现在时
1.There are four terms in his school year. 否定句：There aren’t four terms in his school year. 一般疑问句：Are there four terms in his school year? 2.Ben always goes to school on foot. 否定句：Ben doesn’t always go to school on foot. 一般疑问句:Does Ben always go to school on foot? Yes, he does./No, he doesn’t. 特殊疑问句：How does Ben go to school? 3.They often play football after school. 否定句：They don’t often play football after school. 一般疑问句：Do they often play football after school? Yes, they do./No, they don’t. 特殊疑问句：what do they often do after school?
Key words
tomorrow January speak museum February understand September November leave Line up at the weekend do some reading children’s palace take exercise Teachers’ Day on weekdays take a rest go for a walk on holiday take a photo of your father动词第三人Fra bibliotek单数形式的构成：
一般现在时主语三单的动词变化及练习
一般如今时主语单三人称时的动词变更【1 】①在一般如今时中,当主语为第三人称单数时,动词要用“s”型（即第三人称单数情势）.②所谓动词“s”型的组成,与名词变复数类似,即：a）在动词尾直接加 s.如：play—plays, want—wants, work—works, know—knows, help—helps,get—getsb）以字母s.ss.x.ch.sh或o结尾的动词加es;如：guess—guesses, fix—fixes, teach—teaches, brush—brushes, go—goes,do—does,watch—watches,catch—catches c）以子音字母＋y结尾的动词,先变y为i,再加es.如：study—studies,carry—carries,fly—flies,worry—worries第三人称单数演习一．请选出准确的答案：1. She (like / likes) to play football.2. He (like / likes) drinking milk.3. I (like / likes) to watch TV.4. We (like / likes) to play badminton.5. They (like / likes) to sing songs.6. She (read / reads) books every day.7. He (play / plays) computer games every day.8. It (listen / listens) to the radio every day.9. Linda (draw / draws) pictures every day.10. Jane and Linda (play / plays) football every day.二．请用动词的恰当情势填空.1.Let him _____(play)basketball.2.Everyone_____(know)what he really like.3.Those girls____(be)my sister.4.That girl_____(call)me every Sunday.5.How___(do)she_____(spell)the word?6. He________ TV every evening. (watch)7. We always ________ to school on foot. (go)8. Tom, with his classmates, often ______ football after school. (play)9. Your shoes _______ under the bed. (be)10. ______ here and ______ by me. (come, stand)11. His uncle usually _________ to work by bus. (go)12. I always ______ up at six in the morning.(get)13. John ________ like his father. (look)三．请用 have或has填空.1．I ________ a nice picture.2．He ________ a good friend.3．They _________ some kites.4．We ________ some flowers.5．She __________ a duck.6．My father __________ a new bike.7．Her mother _________ a vase.8．Our teacher _________ an English book.9．Our teachers _________ a basketball.10．Their parents __________ some story books.11．Nancy _______ many skirts.12．David ________ some jackets.13．My friends ________ a football.14．What do you ________ ?15．What does Mike ________ ?四．否认句:在动词前+doesn't或don't.1.She_____ _____(do)her homework every day.2.He_____ _____(live)in Shanghai.3.He_____ _____(need)a pair pf shoes.4.Danny_____ _____(see)the apple tree?5.She_____ _____(come)from America.6.The girl_____ _____(look)out of the window and sees many birds in the sky.五．Do照样Does我来选.1. [Do/Does]______ he watch TV at night? Yes he does.2. [Do/Does]______ you go to school everyday? No, I don’t.3. [Do/Does]______ Jack and Peter like apples?4. [Do/Does]______ Tina go swimming on Sunday?5. [Do/Does]______they play football? Yes, they ___[do/does].6. [Do/Does]______ we have a good teacher? Yes, we ____[do/does].7. [Do/Does]_____ they jump rope ? No, they ___[do not/does not].8. [Do/Does]_____your dog walk in the zoo?9. [Do/Does]____ I have a big nose? No, you _____[do not/does not].10. [Do/Does]____ your cats eat fish? Yes, they _____.[do/does].11. [Do/Does]_____ their mothers go shopping? No, they ____[do not/does not].12. I ___[do not/ does not] speak Japanese. [Do/Does] _____you speak Japanese?六．请用动词的恰当情势填空.1._____the desk_____(have)four legs?Yes,it does.2._____she____(do)her homework every day?Yes,she does.3._____he_____(live)in Jinan?No,he doesn't.4._____he_____(need)a pair of shoes?NO,he doesn't.5.Does Danny_____(see)the apple tree?6._____she_____(come)from America?Yes,she_____.7._____the girl_____(look)out of the window and sees many birds in the sky? No,she_____.8. Jenny runs home and_____(sit)on the chair?七.选择题：1. I _____ to school every day.A. goB. goesC. going2. He _____ teeth every morning.A. brushB. brushesC. brushing3. The birds_____ singing.A. likeB. likesC. like to4. What does Lily _____ doing?A. likeB. likesC. to5. _____ you like eating apples?A. DoB. DoesC. Doing6. _____ he swim every afternoon?A. DoB. DoesC. Doing7. Tom likes _____ in the classroom.A. singingB. singC. to singing8. –Does Sally like swimming?No, she .A. doB. doesC. doesn’t9. Peter and Mary _____ milk every day.A. drinkB. drinkingC. drinks10. _____ they read English every day?A. DoesB. AreC. Do八.把下列句子变成否认句：1. She draws pictures every day.2. We like playing football.九.把下列句子变成一般疑问句,并做确定答复.1. Linda swims every day.2. They like playing games.。
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时态一：一般现在时／动词第三人称单数一、定义：1、经常性、习惯性的动作；2、事物或人物的特征或状态；3、客观现实、真理或规律。
Example：1. 表示经常性、习惯性、永久性、频率性的动作，通常与副词often, usually, always, every day (year/ month ), once (twice, three times) a day（week/moth/year）, sometimes，in the morning/afternoon/evening，on Sundays等时间状语连用。
They usually go to school by bike.I take the medicine three times a day.She helps her mother once a week.2.表示事物或人物的特征、状态Mary’s father is a policeman.There are 50 students in my class.3. 表示客观真理，科学原理，自然现象等客观事实或格言、谚语等。
The sun rises in the east and sets in the west every day.The man who has never been to the Great Wall is not a real man.Tomorrow is Tuesday.二、结构：肯定句：主语+ v原/v“三单”(主语+ Be/情态动词/行为动词（原形或三单）+其它)否定句：主语+Be/情态动词/do/dose+not+其它一般疑问句：Be/情态动词/do/dose + 主语+其它特殊疑问句：特殊疑问词+ Be 动词/情态动词/do/dose + 主语+其它（对主语提问除外）对主语提问的特殊疑问句= 特殊疑问词+主语+动词原形/三单（肯定句的结构）+？总结：行为动词表示具体的动作，be动词表示状态，情态动词表示态度。
在做肯定陈述的时候，运用的规则是：有do无be；无do一定要加be。
另外，一定要小心：在做句型转换（否定、疑问）的时候，要分别遵守自己的约定：行为动词要请do/does帮忙；有be就直接用be(be提前变成问句，在后面加上not变成否定句)。
三、第三人称单数（三单）1、除了我（I ）和你(you ) 我们（we）你们(you) 他们(they) 之外都是三单,人称代词he, she, it是第三人称单数。
如：He likes watching TV. 他喜欢看电视。
She has lunch at twelve. 她十二点吃午餐。
It looks like a cat. 它看起来像只猫。
2、单个人名、地名或称呼作主语；是第三人称单数。
如：Han Mei looks like her mother. 韩梅看起来像她的母亲。
Beijing is in China. 北京在中国。
Uncle Wang often makes cakes. 王叔叔经常做蛋糕。
3、单数可数名词或"this / that / the+单数可数名词"作主语时，是第三人称单数。
如：A horse is a useful animal. 马是有用的动物。
This book is yours. 这本书是你的。
That car is red. 那辆小汽车是红色的。
The cat is Lucy's. 这只猫是露茜的。
4、不定代词someone, somebody, nobody, everything, something等及指示代词this, that 作主语时，是第三人称单数。
如：Everyone is here. 大家到齐了。
There is something wrong with the watch. 这块手表有毛病。
This is a pen. 这是一支钢笔。
That is an eraser. 那是一块橡皮擦。
5、不可数名词作主语时为第三人称单数。
如：The milk is in the glass. 牛奶在玻璃杯里。
The bread is very small. 那面包很小。
6、当数字或字母作主语时，看作第三人称单数。
如："6" is a lucky number. "6"是个吉利数字。
"I" is a letter. "I"是个字母。
四、动词三单变化规则1、一般情况下加S ：ask---asks learn----learns work---works get---gets like—likesplay—plays stay---stays2、以“s, x, ch, sh,o”结尾的，在词尾加“es”：teach－teaches wash----washes go－goes do－does3、以辅音字母加“y”结尾的，先将“y”变为“i”，然后在加“es”：study－studies fly－flies cry---cries try---tries carry－carries worry－worries4、以元音字母加Y的，直接加S，（此种情况可直接归入第1类）如say—says5、记住3个特殊的：Be动词（is are）的三单－ishave的三单－hasDo的三单—does五、句型转换一、陈述句变一般疑问句、否定句1、Be型、情态动词型否定句：直接在be动词或情态动词后面加not.疑问句：则把be动词或情态动词(can,could等等)提到主语的前面例：①陈述句：She is a student.疑问句→ Is she a student?否定句→ She is not a student.②陈述句：I can swim.疑问句→ Can you swim?yes,I can. No,I can’t.否定句→ I can not swim.2、Do型否定句：主语+ don’t/ doesn’t + 谓语动词原形疑问句：Do / Does + 主语+ 动词原形例：①陈述句：We get up at 7:00 every morning.否定句→We don’t get up at 7:00 every morning.疑问句→Do you get up at 7:00 every morning?②陈述句：She has a little brother.否定句→ She doesn’t have a little brother.疑问句→ Does she have a little brother?3、注意“变变变变”（1）I、we—>you、you（2）句号变问号；（3）Does（三单）、Did（过去式）来帮忙，动词变V原；（4）some->any something->anything somebody-> anybody already->yet too->eitherboth->neither all->noneeg:Are you from Japan﹖Yes, I am．/ No, I'm not．Is her sister doing her homework now﹖Yes, she is．/ No, she isn't．Does he work in a bank﹖Yes, he does．/ No, he doesn't．Do you live near your school﹖Yes, I do．/ No, I don't．Can you speak French﹖Yes, I can．/ No, I can't．May I go home now﹖Yes, you may．/ No, you mustn't．二、陈述句变特殊疑问句（不能用yes/no回答的疑问句）1、常见的疑问词when：问时间(回答用At/ On...等)where：哪里（状语）who ：谁( 回答用He is...She is... They are...等）whom：谁（宾格）whose：谁的(回答用It is.. These/Those are等)what ：什么How：怎么样(对近况提问，回答用形容词，问程度）which：哪一个，哪个why：为什么(回答用Because，问原因)记法：特殊疑问词的开头一般是wh或h；注意：特殊疑问句一般读降调(↓)常见的疑问短语what time：问时间点what color：什么颜色（表语）what weather：什么天气what subject：什么学科what job：什么职业what nationality：对国籍提问what kind：哪一种类型-How fast：多快（速度）How many：多少数量（可数）How much：多少钱价格（不可数）How long：多长(可用于时间，问做多长时间）How often：多少次（问频率）（频率副词）How far：多远路程How soon：多久How old：多少岁2、特殊疑问句有两种语序：(1)如疑问词作主语或主语的定语，即对主语或主语的定语提问，其语序是陈述句的语序：Who is singing in the room﹖whose bike is broken﹖(2)如疑问词作其他成分，即对其他成分提问，其语序是：特殊疑问词+一般疑问句【即：特殊疑问词+be/助动词/情态动词+主语+谓语】What does she like?What class are you in﹖Where are you from﹖What time does he get up every morning﹖How do you know﹖(3)就划线部分提问解题方法：一换二变三提前一换：找出正确的疑问词或词组替换划线部分什么东西->what, 地点->where 时间->when, 怎么样->how多少->how many(可数) how much(不可数)动作划线->看形式，然后选择助动词，做的事情用what Eg: They read English books in the afternoon. WhatThey read English books in the classroom every day. WhereThey read English books in the classroom in the morning. WhenI have got five books. How manyI go to school by bike every day. HowTom sings songs in the living room every evening. does whatWe read books every day. do what二变：将替换完的句子根据规则变为一般疑问句eg: Tom swims in the pool every day.Tom does what in the pool every day.Does Tom do what in the pool every day?三提前：将变完的一般疑问句中的特殊疑问词提前eg: Does Tom do what in the pool every day?What does Tom do in the pool every day?注意：I like taking photo in the park.I like doing what in the park.What do you like doing in the park?练习一：一般现在时/三单的练习题（一）．用动词的适当形式填空1. She _________(go) to school at seven o’clock.2. It’s 6o’clock. They are _________ (eat) supper.3. He usually ___________ up at 17:00.(get )4. She ___________ (live) in Beijing.5. Amy _________ (be) here just now.6. _______ (be)there a fly on the table just now?7. My father __________ (watch) TV every evening .8. My father _______________ (make) toys these days.9．________ Amy _________ (read) English every day?10. Chen Jie sometimes _________(go)to the park with her sister.（二）.选择填空1．I want____homework now. A. doing B. to do C. to do my D. do my 2．It's time______.A. go to schoolB. play gamesC. to go homeD. to do my homeworks3．______go and help her. A. Let's me B. Let's us C. Let's D. Let's to4．Do they have a new car? Yes,_____.A .they are B.they have C. they don't D. they do5．He often _________ supper at 6:00 in the evening.A. haveB. has c. is having D. is eating6. We _____________ any Chinese classes on Friday.A. are havingB. aren’t havingC. don’t haveD. are have（三）、用括号内动词的适当形式填空。