初中英语语法一般现在时.docx

1、初中英语语法一般现在时一般现在时讲解和练习一、 定义 ：一般现在时表示经常或习惯性的动作，也可表示现在的状态或主语具备的性格和能力。例：（ 1） .表示事物或人物的特征、状态。 The sky is blue. 天空是蓝色的。 2） .表示经常性或习惯性的动作。 I get up at six every day. 我每天六点起床。 3） .表示客观现实。 The earth goes around the sun.地球绕着太阳转。二、一般现在时常用时间状语、时间副词in the morning/afternoon/eveningevery week (day, year, month )on

2、 Sundays (Monday, Tuesday )at night, once a week,.always 总是 , usually 通常 , often 经常 , sometimes 有时 , never 从不三、用法：1肯定句：p娀z紀 1） 句中有 be（am，is， are）和情态动词时， be 动词时，主语是 I 时要用 am，主语是 you 时要用 are，其他用 is。 是情态动词时，后面的动词用原型 例： I am a student.You are very beautiful.She is my best friend.He can do his homework b

3、y himself.（2） 没有 be（ am， is, are）动词和情态动词：主语为第三人称单数（ she ,he ,it ）、单数可数名词、不可数名词的，动词要按规则加上 s 或 es；主语是复数可数名词的肯定句，动词用原形。例： She（ He, It ） likes fish. 她（他，它）喜欢鱼。（主语为第三人称单数） The table has four legs.桌子有四条腿。 (主语为单数可数名词 ) Water boils at 100 degrees Celsius.水在 100 度沸腾。（主语为不可数名词）1They go to school every day . 他

4、们每天都去上学。 （主语是复数可数名词的，动词用原形）注意的问题： 第三人称单数以及第三人称单数时动词的变化规则在一般现在时中， 当主语是第三人称单数时， 谓语动词要用第三人称单数形式， 即常在动词原形后加 -s 或 -es。但有些同学们对于哪些主语是第三人称单数还不十分清楚，现归纳总结如下：1、人称代词 he, she, it 是第三人称单数。如：He likes watching TV. 他喜欢看电视。She has lunch at twelve. 她十二点吃午餐。It looks like a cat. 它看起来像只猫。2、单个人名、地名或称呼作主语；是第三人称单数。如： Han Me

5、i looks like her mother. 韩梅看起来像她的母亲。 Beijing is in China. 北京在中国。 Uncle Wang often makes cakes. 王叔叔经常做蛋糕。3、单数可数名词或 this / that / the+ 单数可数名词 作主语时，是第三人称单数。如： A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽车是红色的。 The cat is Lucys. 这只猫是露茜的。4、不定代词 someone, somebody,

6、 nobody, everything, something 等及指示代词 this, that 作主语时，是第三人称单数。如：（ Everyone is here. 大家到齐了。 There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 That is an eraser. 那是一块橡皮擦。25、不可数名词作主语时为第三人称单数。如： The milk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。6、当数字或字母作主语时，看作第三人称单

7、数。如： 6 is a lucky number. 6 是个吉利数字。 I is a letter. I 是个字母。动词 +s 的变化规则1一般情况下，直接加 -s，如： cook-cooks, make-makesruns gets likes collets takes plays climbs2以 s. x. sh. ch. o 结尾，加 -es，如：guess-guesses, wash-washes, watch-watches, go-goes3以 辅音字母 +y 结尾，变 y 为 i, 再加 -es，如： study-studies方法与发音：1.一般情况下，直接加 -seg.

8、works， plays, rains, sees2.以 sh, ch, s, x 或 o 结尾的词后加eseg. washes, teaches, fixes, does, goes3.以辅音字母加 -y 结尾的，先把 ?y 改成 ?i 再,加 -eseg. studies, flies, carries注意 : 动词加 -s 以后的读音 .动词加 -s 后的读音1.在 p t k f 等清辅音后， 发清辅音 /s/eg. helps, works, likes, hates ,laughs2.在浊辅音和元音后， 发浊辅音 /z/eg. drives, cleans, plays3.在 s

9、z t?d?后， 发 /iz/rises, wishes, teaches, urges4.在 t d 后，发 /ts/ /dz/eg. fits, sets, needs 其他情况下发 zeg. plans, cries, shows3练习 11 Jenny _ in an office. Her parents _in a hospital.A work; works B works; work C work; are working D is working; work 2 One of the boys_ a black hat. A have B there is C there a

10、re D has3 Wang Mei _ music and often _ to music.A like; listen B likes; listens C like; are listening D liking ; listen Jenny_ English every evening.A has study B studies C study D studied The teachers _(speak) English in class. The teacher _(speak) English in class.2. 否定句：(1) 句中有 be 动词 (am , is , a

11、re )或情态动词 (may , can , must , should) 时，否定句在 be 动词和情态动词后加 not，I am not a teacher. He can not fly .(2) 句中没有 be 动词 (am , is , are )或情态动词 (may , can , must , should) 时，主语为第三人称单数的否定句，在动词原形前加 does + not (doesn 。t)He doesn t like cats.(3) 句中没有 be 动词 (am , is , are ) 或情态动词 (may , can , must , should) 时，主语为

12、复数可数名词的否定句，在动词原形前加 do + not (don 。t)They don t go to school on Sundays.练习 21. The cat _(not like) you.2.Brian (not live) in China.3.The picture _ nice.A. don t look B. is lookedC. doesn t look D. is looking I have many books.( 改为否定句） _5.厦门不下雪。 _6.她不看新闻。 _7.我妈妈不喜欢吃肉 _3疑问句：(1)句中有 be 动词 (am , is , are

13、)或情态动词 (may , can , must , should) 时，一般疑问句将 be 动词或情态动词放在句首。4由肯定句变为一般疑问句的步骤： . 把 be 动词（ am , is , are ）或情态动词 (may , can , must , should) 提前。 .大写和小写的转换，句首的第一个字母要大写。 .句末要加问号。例：肯定句： She is a student . 疑问句： Is she a student ?肯定句 : He can swim. 疑问句： Can he swim? .疑问句的回答：用什么问就用什么来回答。Is she a student ? Yes,

14、 she is . No， she isn t.Can you swim? Yes, I can . Yes, I can t.(2) 句中如果没有 be 动词 (am , is , are )或情态动词 (may , can , must , should) 时，主语为第三人称单数（ she ,he ,it ）、单数可数名词、不可数名词的疑问句要用 does 来提问。 即在句首加 does，句子中原有动词用原形例： Does he like Chinese? 他喜欢汉语吗？ Yes, he does. 是的，他喜欢 (汉语 )。 Does a dog eat meat? 狗吃肉吗？ No,

15、it doesn 不t.，它不吃 (肉 )。 句中如果没有 be 动词 (am , is , are )或情态动词 (may , can , must , should) 时，主语为复数可数名词的疑问句要用 do 来提问。Do you like monkeys? No, we don t.Do students study Englsih ? Yes , they do.同时还要注意在肯定句变成否定句时， 若是 遇 I/we you, myyour. Someany. 句号 问号（？）Does your cat eat any fruits? 你的猫吃水果吗 ?练习 31._she _ (do

16、) the housework every day?2. Does Jenny (has) a good friend?Yes, she _. (have) No. she _. (not have)3. _ you study English at school?Yes, I _ (do).4._ your sister study English at school?5No, she_ (do)5. She lives in a small town near New York.(改为一般疑问句） _6.我每天都必须来吗？ _7.你爸爸每天早上都看报纸吗？ _4.特殊疑问句：特殊疑问词 +

17、 am/is/are + 相应的人称 / + 其他do + 人称 + 动词原形 + 其他What/Where/Who/When/Which/why/how/whose + am/is/are + 相应的人称 /名词 + 其他What/Where/Who/When/Which/why/how/whose + do/does + 相应的人称 /名词 + 动词原形 + 其他Who are you? 你是谁？Why is your mother so busy?你妈妈为什么这么忙？How are you? /is your dad? 你好吗 ?你爸好吗？What does he do everyday

18、?他每天做什么？When does your father go to work every day?你爸爸每天什么时候去上班？Who studies very hard in our class?我们班谁学习非常努力？Which computer games do you like?你喜欢那种电脑游戏？练习题 4 Where _you_ (have) lunch every day? Who_( 想要 )to go swimming? Why _ Tom absent today? (be) I often play football on Friday afternoon? 就划线部分提问

19、_ Lily waters the flowers everyday._6.为什么她每天都那么早去上学？_7.他带的是谁的眼镜？_6课后巩固练习题（完成时间：20 分钟）一、按照要求改写句子1 This is my pencil ? ( 变一般疑问句 )2. These red socks are Kate 变一般疑s.问(句 )3. I want to buy a big green bag . ( 变特殊疑问句 )4. Mary does not have any books . ( 变肯定句 )5. The clothing shop is on sale . (变为否定句 )6. Sh

20、e likes the black bag very much . (变为否定句 )7. I buy the pants for only 50 Yuan. ( 用 she 改写句子 )8. It s an English dictionary对.画(线部分提问 )9. Lily and Lucy are fifteen years old now . ( 对画线部分提问 )10. Her dog is 2 years and 5 months old . ( 变为否定句 )11. I usually get up at seven o 用 heclock改写句.(子 )712. He oft

21、en has hamburger and apples for dinner . ( 变为一般疑问句 )13. My family always like thrillers . ( 对画线部分提问 )14. Jane s sister wants to see the comedy . (变为一般疑问句 )15. Maria and Jack come to this school on Monday .( 对画线部分提问 )二、完成句子1.他每天六点钟起床。He _ _ six every morning.2.小明经常去远足。Xiao Ming_ _ hiking.3. 她总是在星期天看望

22、爷爷奶奶。 She _ _her grandparents on Sundays.4. Sandy 周末上学吗？ _ Sandy _ _school on weekends?5. 他什么时候去上班？ When _ he go to _?6. 李云喜欢秋天，不喜欢冬天。Li Yun _ autumn, but he _ like winter.7. 今天的天气怎么样？ What s the _ like _?8. 她有电脑吗？ _ she _ a computer?9. Sue 有一本有趣的故事书。Sue _ _ an _ _ book.三、 be 动词填空。1. _you Li Fen ? N

23、o, _ not .2. _ Mr. green very busy? Yes , he _. He must _ at home . Comedy _ very interesting .85. What _ class you in ?6. You and I _ good friends .7.His friends_very funny .8.The twins _ very happy because they want to go to a movie .9.Our class_big , but their class _ small .10. The basketball cl

24、ub_ exciting and fun .四用所给动词的适当形式填空。 My classmate _ (know) the man on the bike . His sister usually _ (go) to school at 7:00 am . Lin Tao _ (like) his new sweater . Let me _ (have) a look . Let s _ (play) tennis ! he _ (like) English ? I want _ (go) to a movie .8. He _ (not know)the teacher s name .

25、9. Nice _ (meet) you !10. Can I _ (ask) the policeman ?11. _ (sit) down and _ (have) a cup of tea .12. _ (not look) at your book !13. you _ (can see)the bananas on the table ?14. I need _ (buy ) some new clothes .15. She likes _ (play) chess .9英语冷笑话（二）Money doesnt grow on trees. But it grows at our branches. ( 某银行广告 )Child: Mummy, can I get out to play?Mother: With those holes in your trousers?Child: No, with the girl next door.谐音“笑”果A bicycle cant stand on its own because it is two-tyred. (too tired)1011