小学英语语法时态讲解与归纳一般现在时.doc

小学英语语法时态讲解与归纳一般现在时一. 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 flyfliescarrycarriescrycries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.改句子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. 否定句： 一般疑问句：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.