小学英语一般现在时讲解及练习一.意义：表示经常发生的事情，动作或存在的状态二.二. 构成及变化三.动词的变化。
四.肯定句：主语+be(am,is,are)+其它。
如：I am a boy.我是一个男孩。
五.否定句：主语+ be + not +其它。
如：He is not a worker.他不是工人。
六.一般疑问句：Be +主语+其它。
如：-Are you a student -Yes. I am. / No, I'm not.七.特殊疑问句：疑问词+一般疑问句。
如：Where is my bike？八.2. 行为动词的变化。
九.l、当主语为第一，二人称及复数时，助动词为do十.肯定句：主语+动词原形(+其它)。
如：We often play basketball after school. 十一.否定句：主语+ don't+动词原形(+其它)。
如：we don’t play basketball after school.十二.一般疑问句：Do +主语+动词原形+其它？十三.如：Do you often play basketball after school l Yes, we do. / No, we don't.十四.特殊疑问句：疑问词+以do开头的一般疑问句？十五.如：What do you often do after school ？十六.２、当主语为第三人称单数时,十七.助动词为does十八.肯定句：主语+动词三单式(+其它)。
如：He swims well.十九.否定句：主语+ doesn’t+动词原形(+其它)。
如：He doesn’t swim well..二十.一般疑问句：Does +主语+动词原形+其它。
二十一.如：Does he swim well ？二十二.Yes, he does. / No, he doesn't.二十三.特殊疑问句：疑问词+以does开头的一般疑问句？二十四.如：How does your father go to work？二十五.三．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 gets likes collets takes plays 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 crosses mixes brushes(3)动词末尾y前为辅音:将y改为i加es: study→studies fly→fliescarry→carries cry→cries但在y前如果为元音则直接加s:buys says四．时间标志：always , usually , often , sometimes ,every…一般现在时练习题（１）I.用下列单词的适当形式填空often___________(play) in the playground._________(get) up at si x o’clock._________(brush) your teeth every morning？(do) he usually________________(do) after school？________________(study) English, Chinese, maths, science and Art at school. sometimes __________(go) to the park with his sister.eight at night, she __________(watch) TV with his parents.Mike________(read) English every day？many lessons_________your classmates________(have) on Monday？time_________his mother_________(do) the housework？II.句型转换you often play football after school (改为肯定句)_______________________________________________________have many books.（改为否定句）_______________________________________________________Shan’s sister likes playing table tennis （改为否定句）_______________________________________________________lives in a small town near New York.（改为一般疑问句）—_______________________________________________________ watch TV every day.（改为一般疑问句）_______________________________________________________ have four lessons.（改为否定句）_______________________________________________________ doesn’t run fast （改为肯定句）_______________________________________________________ dog runs fast.（改为否定句）_______________________________________________________ has two letters for him.一般疑问句：____________________________________________ 否定句: _______________________________________________ usually play football on Friday afternoon.否定句: _______________________________________________ 一般疑问句: ___________________________________________ 划线提问：______________________________________________ Yang usually washes some clothes on Saturday.否定句: _______________________________________________ 一般疑问句: ___________________________________________ 划线提问: _____________________________________________ usually waters the flowers every day.否定句: _______________________________________________ 一般疑问句: ___________________________________________ does his homework at home.否定句: _______________________________________________ 一般疑问句: ___________________________________________一般现在时练习题（２）一、用所给动词的真确形式填空…like ____________ (swim)._________(read) English every day._________(go)to school at seven in the morning.(go)to school at seven in the morning.mother________(like) ______(go) shopping.can ________(draw) many beautiful pictures.(make) a model plane.you ________(like)_________(run)？he_________(like)_________(jump) ？Nancy_________(grow)flowers on Saturday ？teachers________(like)___________(dance).teacher________(like)____________(dance).students___________(speak) English in class.student_________(speak) Chinese after class.15. Let’s____________and play football . (go)16. He_____________ like swimming . (not)17. I’m sorry ____________that . (hear)18. Wang Bing is____________ (write) an E-mail to his friend .19. He has_____________a headache . (get)20. _________you study English at school Yes , I___________. (do)21. __________your sister study English at school No , she__________ . (do)22. I’m _________ better . (feel)23. Why__________Tom absent today (be)二、用所给的人称改写句子take photos on Sunday. (Mike)_______________________________________________________ grow beautiful flowers. (she)_______________________________________________________ like collecting stamps. (Ben)_______________________________________________________ listen to music carefully. (my aunt)_______________________________________________________ like making a model ship. (Helen)_______________________________________________________ clean the classroom every day. (he)_______________________________________________________ look after the pandas. (Mr Wang)_______________________________________________________ draw a tree and some flowers. (Nancy)_______________________________________________________ go to bed at eight. (my sister)_______________________________________________________ read newspapers in the evening. (Mr Green)_______________________________________________________小学现在进行时讲解及练习题1、概念：现在进行时表示说话时正在发生的事情或状态。