(完整word版)一般现在时语法.doc

一般现在时一、 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二、一般现在时的用法分类1）表示现在经常性、习惯性、规律性的动作例句I get up at six o ’clock every day.I go to school at 7:00 every morning.I often go to school by bike.2）表示主语现在的特征或状态3）表示一般性事实、客观真理或格言I am a teacher. /You are a student./He is a policeman./She is a doctor. /I am happy. /We are family./Mary is 12 years old.The earth moves around the sun.Light travels faster than soundThe sun is bigger than 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 We are going to Shanghai, and our plane takes off at 8:00.发生的动作5) 当主句为一般将来时态时，在 If it doesn't rain this afternoon, we'll have a football match.if, as soon as, until, when 等引导的 We will start as soon as you are ready.状语从句中用一般现在时代替一般将来时。

主将从现）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 Sundays, on Monday afternoons, every day/week/month/year 等时间状语3） once a year, twice a month, three times a week 等表示频度的词组三、一般现在时的构成1) 谓语动词为be (am ,is ,are)（主语 +be+其他 ）I am a teacher.You are a student.He/She is a doctor.2）谓语动词为实义动词 （主语 +do/does+其他 ）I like English. (Chinese,Math,Science,History,Geography,Physics,Chemistry,Sociology)Mike likes English. (Chinese,Math,Science,History,Geography,Physics,Chemistry,Sociology)Mike speaks good English.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 has musical talent.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 likes walking downthestreetenjoyenjoysand enjoys the sunshine.以 __s,_x,_ch,_sh,_o___ 结passpassesHe always washes in cold water.尾的动词后加-eswashwashesTony often watches TVinthewatchwatchesevening.fixfixesLily goes to school on foot every day.gogoes以辅音字母加y 结尾的动studystudiesShe studies Chinese for leaning more词，去 y 加 -iescrycriesculture of China.Mike studies English,Chinese,Mathat school.Don ’t take any notice forNina,shealways cries for nothing.特殊形式havehasSona has musical talent.五、句型转换1、谓语动词为 be 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 肯定句（我用 am，你用 are， He is 12 years old.is 连着他她它 , 单数 is 复数are，不可数用 is）否定句（ be 后加 not） He is not 12 years old.一般疑问句（ be 提至句首） Is he 12 years old?回答 Yes, he is./ No, he isn't.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/does. 否定： No,主语 +do/does+not.行为动词（主语为非第三人 肯定句称单数） 否定句： 动词前加助动词don't一般疑问句 ：句首加助动词Do回答行为动词（主语为第三人称 肯定句单数） 否定句： 动词前加助动词doesn't, 有助动动还原一般疑问句 ：句首加助动词DoesI like Jiaxin.I don ’ t like Jiaxin.Do you like Jiaxin?Yes, I do./No, I don't.Mike likes Jiaxin.Mike doesn ’ t like Jiaxin.Does Mike like Jiaxin?回答 Yes, he does./No, he doesn't.注意： don’t 和 doesn’t 之后动词一定要用 原形 。

课堂练习 :一 .句型转换：1. Lucy likes going skating with her friends.否定句： _______________________________________________________Lucy doesn’ t like going skating with her friends.一般疑问句： ___________________________________________________Does Lucy like going skating with her friends ?2. His watch costs 300 yuan. （变成一般疑问句并否定回答）_______________________________________________________________Does his watch cost 300 yuan ?No,it doesn ’ t.二、用所给动词的适当形式填空1. We often_________(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, Maths, Science and Art at school.8. _______ Mike________(read) English every day?9. How many lessons _______your classmate_______(have) on Monday?10. What time ________his mother________(do) the housework?11. Mike _________(like) cooking.12. They ______(have) the same hobby.13. My aunt _______(look) after her baby carefully.14. You always__________ (do) your homework well.15. I __________(be) ill. I ’m staying in bed.16. She 。