小学英语语法时态讲解与归纳(共7页).doc
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1、精选优质文档-倾情为你奉上小学英语语法时态讲解与归纳一般现在时一、一般现在时:1.表示事物或人物的特征、状态。如:Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。如:Igetupatsixeveryday.我每天六点起床。3.表示客观现实。如:Theearthgoesaroundthesun.地球绕着太阳转。二. 构成及变化1.be动词的变化。肯定句:主语+be(am,is,are)+其它。如:I am a boy.我是一个男孩。否定句:主语+ be + not +其它。如:He is not a worker.他不是工人。一般疑问句:Be +主语+其它。如:-Are y
2、ou a student? -Yes. I am. / No, Im not.特殊疑问句:疑问词+一般疑问句。如:Where is my bike?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+动词原形(+其它)。如:We often play basketball after school.否定句:主语+ dont+动词原形(+其它)。如:we dont play basketball after school.一般疑问句:Do +主语+动词原形+其它?如: Do you often play basketball after school l? Yes,
3、 we do. / No, we dont.特殊疑问句:疑问词+以do开头的一般疑问句?如: What do you often do after school ?3、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: He swims well.否定句:主语+ doesnt+动词原形(+其它)。如:He doesnt swim well.一般疑问句:Does +主语+动词原形+其它。如:Does he swim well ?Yes, he does. / No, he doesnt.特殊疑问句:疑问词+以does开头的一般疑问句?如: How does you
4、r father go to work?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:runsgetslikescolletstakesplaysclimbs.(2)结尾是s, x, sh, ch, o,前为辅音字母,结尾加es :watchesteachesgoesdoeswashescrossesmixesbrushes(3)动词末尾y前为辅音:将y改为i加es: studystudies flyfliescarrycarriescrycries但在y前如果为元音则直接加s:buyssays plays stays(4) 不规则变化常
5、见的:have-has四时间标志:always , usually , often , sometimes ,every一般现在时练习题()一、写出下列动词的第三人称单数drink_go_stay_make_look_have_pass_carry_come_watch_plant_fly_study_brush_do_teach_二.用下列单词的适当形式填空1.We often_(play) in the playground.2.He _(get) up at six oclock.3._you _(brush) your teeth every morning?4.What_(do) h
6、e 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, she _(watch) TV with her parents.8._ Mike_(read) English every day?9.How many lessons_your classmates_(have) on Monday?10.What time_his mothe
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