一般现在时语法

1、般现在时一、一般现在时的定义：表示现在经常性、习惯性、规律性的动作或者现在存在的状态的一种时态。般现在时的用法分类例句1 ）表示现在经常性、习惯性、规律性的动作I get up at six olock every day.I go to school at 7:00 every morning.I ofte n go to school by bike.2）表示主语现在的特征或状态I am a teacher. /You are a stude nt./He is a policema n./She is a doctor. /I am happy. /We are family./Mary

2、 is 12 years old.3）表示一般性事实、客观真理或格言The earth moves around the sun. Light travels faster tha n sound The sun is bigger tha n the earth. Failure is the mother of success. Practise makes perfect.4）表示按规定或时间表预计将要发生的动作Weare going to Shanghai, and our plane takes off at 8:00.5）当主句为一般将来时态时，在if, as soon as, u

3、ntil, when等引导的状语从句中用一般现在时代替一般将来时。（主将从现）If itdoes nt rainthis after noon, well have a footballmatch.We will start as soon as you are ready.当一般现在时表示现在经常性、习惯性的动作时常连用的时间状语：1） 表示频度的副词：always, often, usually, sometimes2） on Sun days, on Mon day after noons, every day/week/ mon th/year等时间状语3） once a year,

4、twice a mon th, three times a week等表示频度的词组三、一般现在时的构成（主语+be+其他）1）谓语动词为 be （am ,is ,are）I am a teacher. You are a stude nt. He/She is a doctor.2)谓语动词为实义动词(主语+do/does+其他)I like En glish. (Ch in ese,Math,Scie nce,History,Geography,Physics,Chemistry,Sociology)Mike likes English. (Chinese,Math,Science,His

5、tory,Geography,Physics,Chemistry,Sociology)Mike speaks good En glish.I go to school on foot (by school bus,by bus,by bike).Lily goes to school on foot (by school bus,by bus,by bike).Tony often watches TV in the evening.Jack always washes in cold water.Mike studies English,Chinese,Math at school.Sona

6、 has musical tale nt.四、动词第三人称单数变化规则第三人称单数：he/she/it;可数名词单数；不可数名词.（口诀：不是你不是我，并且只有一个）规则动词原形动词第三人称例句单数形式一般情况加-slikelikesLisa likeswalkingdown theenjoyenjoysstreet andenjoys the sunshine.以s, x, ch, sh, opasspassesHe always washes in cold water.结尾的动词后加-eswashwashesTony oftenwatches TV in thewatchwatchese

7、vening.fixfixesLily goes toschool on foot everygogoesday.以辅音字母加 y结尾的动studystudiesShe studiesChin ese for lea ning词，去y力口-iescrycriesmore culture of China.MikestudiesEn glish,Ch in ese,Math at school.Donttakeanyno ticeforNin a,shealwayscriesfornothing.特殊形式havehasSona has musical tale nt.五、句型转换1、谓语动词为b

8、e动词否定：主语+be+not+其他一般疑问句：be+主语+其他（即将be提到句首）含be动词的一般现在时肯疋句（我用am你用are， is连着他她它，单数is复数 are，不可数用is ）He is 12 years old.否定句（be后加not）He is not 12 years old.一般疑冋句（be提至句首）Is he 12 years old?回答Yes, he is./ No, he isnt.2、谓语动词为实义动词肯定：主语+do/does+其他否定：主语+助动词do/does+not+动词原形+其他疑问：Do/Does+主语+其他回答：肯定： Yes,主语 +do/doe

9、s. 否定：No,主语 +do/does+not.行为动词（主语为非第三人称单数）肯定句I like Jiaxi n.否疋句：动词前加助动词dontI don like Jiaxin.一般疑问句：句首加助动词DoDo you like Jiaxi n?回答Yes, I do./No, I dont.行为动词（主语为第三人称单数）肯定句Mike likes Jiax in.否疋句：动词前加助动词does nt,有助动动还原Mike doesn like Jiaxin.一般疑问句：句首加助动词DoesDoes Mike like Jiax in?回答Yes, he does./No,hedoes

10、nt.注意：don和doesn之后动词一定要用 原形。课堂练习一.句型转换：1. Lucy likes going skati ng with her frien ds.否定句：Lucy doesn like going skating with her friends.一般疑问句：Does Lucy like going skati ng with her friends ?2. His watch costs 300 yua n.(变成一般疑问句并否定回答)Does his watch cost 300 yua nNo,it does n .、用所给动词的适当形式填空。1. We ofte

11、n(play) football 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. Tom( study ) English, Chinese, Mat

12、hs, Science and Art at school.8. Mike(read) English every day?9.How many lessonsyour classmate(have)on Monday?10.What timehismother(do) the housework?11.Mike(like)cook ing.12.They(have) thesamehobby.13.Mya unt(look)after her baby carefully.14.You always(do) your homeworkwell.15.I(be) ill.I mstaying

13、in bed.16.She(go) toschool from Mondayto Friday.17.Liu Tao(do) not like PE.18.The childofte n(watch) TVin the evening.19.Su Hai and Su Ya ng(have) eight lessons thisterm.20.What day(be) it today? It s Saturday.21.He ofte n(have)dinner at home.22. Daniel and Tommy(be) in Class One.23. We(not watch) T

14、V on Mon day.24. Nick (not go) to the zoo on Sun day.25. They(like) the World Cup.26. What they often (do) on Saturdays?27. My parents (read) newspapers every day.28. The girl (teach) us En glish on Sun days.29. She a nd I (take) a walk together every evening.30. There(be)_somewater in the bottle.31

15、. What time his father(do) the work?32.I (get) up at six o clock.33. you (brush) your teeth every morning.34. What ( do ) he usually ( do ) after school?35. How manylessons your classmates(have) on Monday?习题答案：1. play 2.gets 3.Do; brush 4.does do 5. studies 6. goes 7.studies 8.Does ;read 9.does ;have11. likes 12.have 13.looks 14.do 15.am 16.g