一般现在时与三单(综合)

1、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 themorni ng/afterno on /eve ning，on Sun days等时间状语连用。They usually go to school by bike.I ta

2、ke the medic ine three times a day.She helps her mother once a week.2.表示事物或人物的特征、状态Marys father is a policeman.There are 50 stude nts 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 n ever bee n to the Great Wall is not a real man.T

3、omorrow is Tuesday.1、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）句型Be型（情态动词型）Do型否定句主语+ Be动词/情态动词+not1主语+ dont/doesnt V+一般疑冋句Be动词/情态动词+主语+其它原形Do/Does+主语+ V原肯定回答：Yes，主语+ Be动词/情态动词.形肯定回答：否定回答：No,主语+ Be动词/情态动词+not.Yes，主语+ do/does.否定回答：No,主语 + dont/doesnt.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

4、/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

5、外都是三单,人称代词he, she, it是第三人称单数。如：He likes watchi ng 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。2 /17Beiji ng is in Chi na.北京在中国。Un cle Wang ofte n 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，

6、是第三人称单数。如：A horse is a useful an imal.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 Lucys.这只猫是露茜的。4、 不定代词some on e,somebody, no body, everythi ng, someth ing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 somethi ng wrong with the watch.这块手表有毛病。This is a pen.

7、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。T 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-askslearn-learnswork-worksget-gets likelikesplayplaysstay-stays2、 以“s, x, ch, sh,

8、 o”结尾的，在词尾加“es”：teachteaches washwashes gogoesdo does3、 以辅音字母加“y”结尾的，先将“y”变为“i”，然后在加“es”：studystudies flyflies cry-cries try-tries carrycarries worryworries 4、以 元音字母加丫丫的，直接加S，（此种情况可直接归入第1类）女口saysays5、记住3个特殊的：Be动词（isare）的三单一ishave的三单hasDo的三单一does五、句型转换，、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.

9、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：陈述句：She is a stude nt.疑问句fIs she a student?否定句fShe is not a student.陈述句：I can swim.疑问句fCan you swim? yes,I can. No,l cant.否定句fI can not swim.2、Do型否定句：主语+ don t/ doesn+ 谓 t 语动词原形疑问句：Do / Does +主语+动词原形例：陈述句：We get up at 7:00 every morni ng.否定句fWe dont get up at 7:0

10、0 every mornig.疑问句fDo you get up at 7:00 every morning?陈述句：She has a little brother.否定句fShe doesnt have a little brother.疑问句TDoes she have a little brother?3、注意“变变变变”(1)I、weyou、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-anyalready-yetboth-n eithersomethi ng-anythingtoo-eitherall-nonesomebody-

11、an ybodyeg:Are you from Japan?Yes, I am./ No, Im not.Is her sister doing her homework now?Yes, she is./ No, she isnt.Does he work in a bank?Y es, he does . / No, he does nt .Do you live near your school?Yes, I do./ No, I dont.Can you speak French?Yes, I can./ No, I cant.May I go home now?Yes, you ma

12、y./ No, you must nt.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 isShe 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（J）常见的疑问短语what time:问时间点what colo

13、r: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，Who is si nging in the room?w

14、hose bike is broke n ?（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 特殊疑问词+be/助动词/情态动词+主语+谓语】What does she like?其语序是陈述句的语序:+一般疑问句【即: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 m

15、any（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They read En glish books in the after noon. WhatThey read En glish 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 l

16、iv ing room every eve ning. 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?二提前：将变完的一般疑冋句中的特殊疑冋词提前eg: Does Tom do what in the pool every day?What does Tom do in the pool every

17、 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?what Eg: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 seve n oclock.2.Its 6oclock. They are(eat) supper.3. He usuallyup at 17:00.(get )4. She(live) in Beiji ng.5. Amy(be) here just now.6. _

18、 (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. Che n Jie sometimes_ (go)to the park with her sister.（二）.选择填空to4.Do they have a new car? Yes,_ .A .they areB.they haveC. they dontD. they do5._He

19、often supper at 6:00 in the evening.A. haveB. hasc. is hav ingD. is eat ing6. We_ any Chin ese classes on Friday.1.I want_homework now. A. doing2.Its time_ .A. go to schoolB. play games3._ go and help her. A. LetsB. to do C. to do myD. do myC. to go homeme B. LetsD. to do my homeworksus C. LetsD. Le

20、tsA. are havingB. arent havingC. dont haveD. are have（三）、用括号内动词的适当形式填空。1. He often_ (have) dinner at home.2. Daniel and Tommy_ (be) in Class One.3. We_(not watch) TV on Mon day.4. Nick_(not go) to the zoo on Sun day.5. they_(like) the World Cup?6. What they often_(do) on Saturdays?7. your parents_ (

21、read) newspapers every day?8. The girl_(teach) us En glish on Sun days.9. She and I_(take) a walk together every evening.10. There_ (be) some water in the bottle.11. Mike_(like) cooking.12. They_ (have) the same hobby.13. My aunt_ (look) after her baby carefully.14. You always_(do) your homework wel

22、l.15. I_(be) ill. Im staying in bed.16. She_ (go) to school from Mon day to Friday.17. Liu Tao_(do) not like PE.18. The child often_ (watch) TV in the evening.19. Wang Kai and Wang li_(have) eight lessons this term.20.What day_ (be) it today?Its Saturday.1. We often_ (play) in the playgound.2. He_ (

23、get) up at six oclock.3. _you_(brush) your teeth every morning.4. What_ (do) he usually (do) after school?5.Danny_(study) English,Chinese,Maths,Scienee and Art an 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) En gl

24、ish every day?9. How many lessons_ your classmate_ (have) on Mon day?10.What time_his mother_ (do) the housework?练习二：般现在时句型转换1. Do you often play football after school?肯定回答:2. I have many books.改为否定句：3. Gao Shans sister likes playing table tennis改为否定句：4. She lives in a small tow n n ear New York.改为一

25、般疑问句:8. Nancy doesnt run fast肯定句:9. My dog runs fast.否定句:亠般疑问句:10.Mike has two letters for him.一般疑问句：否定句：11.I usually(play football)on Friday after noon.否定句：一般疑问句：针对括号内容提问：12.Su Yang usually washes some clothes on Saturday.否定句：5. I watch TV every day.改为一般疑问句:6. David has got a goal.改为一般疑问句:7. We hav

26、e four lessons.否定句:一般疑问句：划线提问：13.Mi ngmi ng usually waters the flowers every day否定句 一般疑问句:划线提问14.Tom does his homework at home.否定句:一般疑问句：划线提问句：练习三：动词一般现在时专练通过下列练习，你能否找到一些可用的规律？肯定句1. We_ (play) football every day.2. Jim_ (want) an orange.3. My mother_(watch) TV in the evening.4. She_ (know) a little

27、(一点儿)English.5. My father always_ (come) back from work very late.6. The teacher is busy. He_ (sleep) six hours a day.7. The girl_(like) wearing a skirt.8. We_ (go) to school at 7:30 in the morning.9. He_ TV every evening. (watch)10. Tom, with his classmates, often_football after school. (play)11. Y

28、our shoes_under the bed. (be)亠般疑问句:1.you(like) En glish?2.your brother(know) Japa nese?3.you(brush) your teeth every morning?4.Mike(read) En glish every day?5.he(like) En glish?6.you(go ) to school by bus? No, I(go) to school by car?7.they(like) the World Cup?8. _ you_(brush) your teeth every mornin

29、g?9. _ Mike_(read) En glish every day?10. _ she_(do) the housework every day?11. _ she_(like) playi ng the violi n? Yes, she_ (do).12. _ they_ (like) the World Cup?特殊疑问句1. What color_ your sister_(like)?2. Where_you_ (have) lunch every day?3. What time_his father_(do) the work?4. What_ (do) he usual

30、ly_ (do) after school?5. How many lessons_ your classmates_(have) on Mon day?6. What time_Mary usually_ (play) basketball?7. Who_(teach) you English in your school?8. Who_(danee) the best in your class?9. Who_(want) to go swimming?10. What_they often_(do) on Saturdays?12.What day_(be) it today?Its S

31、aturday.13. What_he usually_ (do) after school?一般现在时句型转换1. Daniel watches TV every evening.（改为否定句）2.1 do my homework every day.（改为一般疑问句，并作否定回答）3. She likes milk.（改为一般疑问句，并作肯定回答）4. Amy likes playi ng computer games.(改为一般疑问句，并作否定回答)5. We go to school every morning.(改为否定句)6. He speaks English very well.(改为否定句)7. I like taking photos in the park.(对划线部分提问)8. John comes from Canada.（