小学英语一般现在时讲解及练习.doc

.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)。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)。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: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 flyflies carrycarries crycries但在y前如果为元音则直接加s:buyssays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.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) English 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: _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.Ilike _ (swim).2.He _(read) Englisheveryday.3.We _(go)to school at seven in the morning.4.Mike_(go)to school at seven in the morning.5.Mymother_(like) _(go) shopping.6.I can _(draw)manybeautifulpictures.7.She_(make) amodelplane.8.Doyou _(like)_(run)?9.Doeshe_(like)_(jump) ?10.Does Nancy_(grow)flowers on Saturday ?11.Theteachers_(like)_(dance).12.The teacher_(like)_(dance).13.The students_(speak) English in class.14.The student_(speak) Chinese 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 _ 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)