1、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. 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 you 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)。
2、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, 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 ?、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)
3、。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 your 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:runs gets likes collets takes plays climbs.(2)结尾
4、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: studystudies flyflies carrycarries crycries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()I.用下列单词的适当形式填空1.We often_(play) in the playground.2.
5、He _(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, science and Art at 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
6、glish every day?9.How many lessons_your classmates_(have) on Monday?10.What time_his mother_(do) the housework?II.句型转换1.Do you often play football after school? (改为肯定句)_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 town near New York.(改为一般疑问
7、句)_5.I watch TV every day.(改为一般疑问句)_6.We have four lessons.(改为否定句)_7.Nancy doesnt run fast (改为肯定句)_8.My dog runs fast.(改为否定句)_9.Mike has two letters for him.一般疑问句:_否定句: _10.I usually play football on Friday afternoon.否定句: _一般疑问句: _划线提问:_11.Su Yang usually washes some clothes on Saturday.否定句: _一般疑问句:
8、 _划线提问: _12.Mingming usually waters the flowers every day.否定句: _一般疑问句: _13.Tom does his homework at home.否定句: _一般疑问句: _一般现在时练习题()一、用所给动词的真确形式填空1.I like _ (swim).2.He _(read) English every day.3.We _(go)to school at seven in the morning.4.Mike_(go)to school at seven in the morning.5.My mother_(like)
9、_(go) shopping.6.I can _(draw) many beautiful pictures.7.She_(make) a model plane.8.Do you _(like)_(run)?9.Does he_(like)_(jump) ?10.Does Nancy_(grow)flowers on Saturday ?11.The teachers_(like)_(dance).12.The teacher_(like)_(dance).13.The students_(speak) English in class.14.The student_(speak) Chin
10、ese after class.15. Lets_and play football . (go)16. He_ like swimming . (not)17. Im 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. Im
11、_ better . (feel)23. Why_Tom absent today ? (be)二、用所给的人称改写句子1.I take photos on Sunday. (Mike)_2.We grow beautiful flowers. (she)_3.They like collecting stamps. (Ben)_4.I listen to music carefully. (my aunt)_5.You like making a model ship. (Helen)_6.We clean the classroom every day. (he)_7.They look after the pandas. (Mr Wang)_8.I draw a tree and some flowers. (Nancy)_9.We go to bed at eight. (my sister)_10.I read newspapers in the evening. (Mr Green)_