一般现在时讲解与练习(初中英语)

一般现在时讲解与练习

　　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。构成
　　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，要在动词后加或变“y”为当主语为第三人称单数时要在动词后加"-s"或"-es"或变为“ies”如：Mary like 或或变 s Chinese.玛丽喜欢汉语。Miss Gu teaches us English. 顾老师教我们英语。 She studies Chinese every d ay.她每天学习语文。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, I’m 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+ don’t( doesn’t ) +动词原形(+其它)。如：I don’t like bread. 当主语为第三人称单数时，要用 doesn’t 构成否定句。如： He doesn’t 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 don’t. 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 doesn’t. 特殊疑问句：疑问词+一般疑问句。如：How does your father go to work? 一般现在时的动词形式一般现在时主要由动词原形表示，但第三人称单数后的动词词尾有所变化。第三人称单数动词词尾的变化有几种形式：一般情况加-s reads, says, takes 以 ch, sh, s, x, 或 o 结尾的词加-es teaches, washes, goes, misses, mixes 以辅音字母加 y 结尾的词变 y 为 i 再加-es studies, cries, carries 一般现在时：表示站在“现在”这个时段叙述一般情况下发生的事情或状态, 经常性或习惯性的动作。用法：（
　　1）Be 型句子（即句子里动词为 am 或 is 或 are）以 be 为助动词，注意主谓搭配例：He is a teacher. → Is he a teacher? Yes, he is. / No, he isn’t → What is his job? I am / You are / He is / She is / It is / We are / You are / They are (
　　2) 行为动词句子（do 型） Ⅰ 主语为第一，第二人称及复数，助动词为 do (don’t). My parents like watching TV in the evening. → Do your parents like watching TV in the evening? Yes, th ey do. / No, they don’t. → What do they do in the evening? Ⅱ 若人称为第三人称单数，助动词为 does (doesn’t), 肯定句(仅肯定句)时动词要有变化，否定句与疑问句动词不变（基本同名词复数变化）与上面的一组句子比较。 My father likes watching TV. → Does your father like watch TV ? Yes, he does. / No, he doesn’t. → Wha t does your father do in the evening? 一般现在时动词口诀: 肯定句：单数开头 S 形式，复数，你我用原形否定句：单数开头 doesn’t 加动词，复数、你我 don’t 加动词一般疑问句：单数 Does××加动词，复数、你我 Do××加动词
　　2.第三人称单数的动词变化规则（
　　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 crosse s mixes （
　　3）动词末尾 y 前为辅音: 将 y 改 i 加 es: study→studies fly→flies y 前若为元音则直接加 s: buys s ays 练习题 1 用动词的适当形式填空
　　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 m orning.
　　5.My mother(like) (go) shopping.
　　6.I can (draw) many beautiful pic
tures.
　　7.She(make) a model plane.
　　8.Do you (like)(run)?
　　9.Does he(like)(jump) ?
　　10.Does Nancy(grow)flowers on S aturday ?
　　11.The teachers(like)(dance).
　　12.The teacher(like) (dance).
　　13.The students(speak) English in class.
　　14.The student(speak) Chinese aft er class.
　　15. Let’sand play football . ( go )
　　16. He like swimming . ( no t)
　　17. I’m sorry that . ( hear )
　　18. Wang Bing is ( write ) an E-mail t o his friend .
　　19. He hasa 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. WhyTom absent today ? ( be ) 2 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) 3 写出下列动词的相应形式：
　　1. 第三人称单数： wash match guess study finish go __ snow carry
　　2.写出下列动词的过去式： stop see drive let carry keep j oin find think teach catch
　　3. 写出下列动词的现在分词形式： stay begin forget forget lie _ die run prefer give ring dance hope II. 用所给动词的适当形式填空：
　　1．I (write) to you as soon as I (get) to London.
　　2. He doean’t feel well and (not eat) any food this morning.
　　3. He not (see) me come in, for he (read) something with great interest.
　　4. I (l;et) you have the book as soon as I (finish) it.
　　5. While we (wait) for our teacher, a little boy (run) up to us.
　　6. Don’t make a niose. Grandpa (sleep).
　　7.It’s seven now, Tom’s family(watc h) TV.
　　8. It (take) me two hours to finish my homework last night.
　　9. What your mother (do) at eight yesterday evening? She (wash) clothes.

　　10. it (rain) when school was over yesterday?
　　11. What (do) tomorrow? We (play) football.
　　12. There (be) a football match on TV this evening.
　　13. They said they (visit) the Great Wall the next summer holiday.
　　14. Who (dance) the best in your class?
　　15. Will you come if he (not co me)?
　　16. The teacher told us the earth (move) round the sun. 17She (buy) a sweater yest erday.
　　18. They (have) a party in the garden if it (not rain) tomorrow.
　　19. I don’t know if Mr.Wang (go) to Shanghai tomorrow. If he (go), I (ask) him (take) some books to my daughter, because she (study) there. III 单项选择：
　　1.The students will go to the Summer Palace if it tomorrow. A.don’t rai n B. doesn’t rain C. won’t rain
　　2. There an English film next week. A. will have B. is going to have C. is g oing to be D. was going to be
　　3. The picture nice. A.looks B.is looked C.look D.is looking
　　4. She down and soon fell asleep. A. live B. lain C. laid D. lay
　　5. They the office at nine yesterday morning. A. reached to B. arrive d C. went D. get to
　　6. We shall go to Shanghai on business before you back next week. A. wil come B. came C. would come D. come
　　7. Don’t smoke until the plane off. A.takes B.took C.was taken D.is take
　　8. I saw her the room this morning. A.to enter B. entered C. enter D. enters
　　9.the teacher asked us to school on time. A. to come B.coming C.come D.comes
　　10. John is always others. A. help B. helping C. helps D. to help
　　11. He told us at eight. A. working B. to work C. work D. worked
　　12. You’d better at home and your homework. A. to stay, do B. stay, do C. to stay, to do D. stay, to do
　　13. He sat down a rest. A. having B. have C. to have D. had
　　14. Uncle Wang knows a washing machine. A. how to make B. to make C. how making D. what to make
　　15. Jim decided Polly to Ling Feng when he was back to England. A. to leave B. left C. leaving D. leave 四．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 Shan’s 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 got a goal. （改为一般疑问句）
　　7.
　　8.
　　9.
　　10.
　　11.
　　12.
　　13.
　　14. We have four lessons.（否定句） Nancy doesn’t run fast （肯定句） My dog runs fast. 否定句：一般疑问句： Mike has two letters for him. 一般疑问句：否定句： I usually play football on Friday afternoon. 否定句: 一般疑问句: 划线提问 Su Yang usually washes some clothes on Saturday. 否定句: 一般疑问句: 划线提问: Mingming usually waters the flowers every day 否定句: 一般疑问句: 划线提问 Tom does his homework at home. 否定句: 一般疑问句: 划线提问

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