英语语法动词时态 一般现在时态：用法：1.表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。2.表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。3.表示客观现实。如：The earth goes around the sun.地球绕着太阳转。构成：1. be动词：主语+be(am,is,are)+其它。如： I am a boy.我是一个男孩。2.行为动词：主语+行为动词(+其它)。如： We study English.我们学习英语。当主语为第三人称单数(he, she,it)时，要在动词后加-s或-es。如：Mary likes Chinese.玛丽喜欢汉语。否定句、一般疑问句、特殊疑问句：1. be动词的变化。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。否定句：主语+ dont( doesnt ) +动词原形(+其它)。如：I dont like bread.当主语为第三人称单数时，要用doesnt构成否定句。如：He doesnt often play.一般疑问句：Do( Does ) +主语+动词原形+其它。如：- Do you often play football?- Yes, I do. / No, I dont.当主语为第三人称单数时，要用does构成一般疑问句。如：- Does she go to work by bike?- Yes, she does. / No, she doesnt.特殊疑问句：疑问词+一般疑问句。如：How does your father go to work?一般现在时练习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 classmate_(have) on Monday?10. What time_his mother_(do) the housework?改句子1. Do you often play football after school? (肯定回答) 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. David has a goal. （改为一般疑问句） 7. We have four lessons.（否定句） 8. Nancy doesnt run fast （肯定句） 9. My dog runs fast. （改为一般疑问句） 否定句： 10. Mike has two letters for him.一般疑问句： 否定句： I usually play football on Friday afternoon.一般疑问句： 否定句： 现在进行时 表示现在正在发生的事情。结构:be +doing(现在分词)现在分词的构成：时间状语标志：now, look, listen动词的ing形式有如下方法： A. 在动词后直接加ing: go-going , wash-washing,flyflying B. 以单个元音+单个辅音+e结尾 ， 去掉e加ing,如 ：drivedriving, ride-riding C. 某些单词要双写词尾的字母：swim- swimming runrunning get-getting练习：1Mr Zheng (read) a book now.2. The rabbits (jump) now.3. Look ! Tom and John (swim).4. My brother (make) a kite in his room now.5. Look! The bus (stop)