二年级下语法
一般现在时
一、 功能:
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。 二、 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。
注意:(我用am,你用are,三单is,复数are。)
肯定句:主语+be+其它。 如:He is a worker. 他是工人。 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。(be动词移到句首),如:Is he a worker? 特殊疑问句:疑问词+一般疑问句。Where is your bike?
2.行为动词:主语+行为动词(+其它)。如:We study English.我们学习英语。
注意:(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。)
肯定句:主语+动词原形(+其它) 。如:I like bread.
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 ofter plays football. He doesn't often play football.
一般疑问句:Do( Does ) +主语+动词原形+其它。(句首加助动词do, does)
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 school 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 she go to school? 三、 动词+s的变化规则
1.一般情况下,直接加-s,如:cook-cooks, milk-milks
2.以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, 3.以“辅音字母+y”结尾,变y为i, 再加-es,如:study-studies 四、 一般现在现在时常见时间状语
Always usually, often, sometimes, every week (day,year,month)
练习题
用am, is, are 填空
1. I ______ a boy. ______ you a boy? No, I _____ not. 2. The girl______ Jack's sister. 3. The dog _______ tall and fat.
4. The man with big eyes _______ a teacher. 5. ______ your brother in the classroom?
6. Where _____ your mother? She ______ at home. 7. How _______ your father?
8. Mike and Liu Tao ______ at school.
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9. Whose dress ______ this? 10. Whose socks ______ they? 11. That ______ my red skirt. 12. Who ______ I?
13.The jeans ______ on the desk. 14.Here ______ a scarf for you.
15. Here ______ some sweaters for you. 16. The black gloves ______ for Su Yang. 17. This pair of gloves ______ for Yang Ling. 18. The two cups of milk _____ for me. 19. Some tea ______ in the glass.
20. Gao Shan's shirt _______ over there.
用括号内动词的适当形式填空。
1. He often ________(have) dinner at home. 2. David and Tom _______(be) in Class One. 3. We _______(not watch) TV on Monday.
4. Mike _______(not go) to the zoo on Sunday. 5. ______ they ________(like) the World Cup?
6. What _______they often _______(do) on Saturdays?
7. _______ your parents _______(read) newspapers every day? 8. The girl _______(teach) us English on Sundays.
9. She and I ________(take) a walk together every evening. 10. There ________(be) some water in the bottle. 按照要求改写句子
1. David watches TV every evening.(改为否定句)
___________________________________________________ 2. I do my homework every day.(改为一般疑问句,作否定回答)
________________________________________________________ ____________________________
3. She likes milk.(改为一般疑问句,作肯定回答)
_______________________________________________________ ____________________________
4. Helen likes playing computer games.(改为一般疑问句,作否定回答) ________________________________________________________ ____________________________________ 5. We go to school every morning.(改为否定句)
_______________________________________________________ 6. He speaks English very well.(改为否定句)
___________________________________________________ 7. I like taking photos in the park.(对划线部分提问)
________________________________________________________ 8. Jim comes from Canada.(对划线部分提问)
___________________________________________________ 9. She is always a good student.(改为一般疑问句,作否定回答)
________________________________________________________
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10. Tom and David like going skating.(改为否定句)
___________________________________________________
改错(划出错误的地方,将正确的写在横线上)
1. Is your brother speak English? __________________ 2. Does he likes going fishing? __________________ 3. He likes play games after class. __________________ 4. Mr. Wu teachs us English. __________________ 5. She don't do her homework on Sundays. _________________
一般现在时翻译练习 1.我们每天七点钟上学。
We _______ ________ _________ at seven o’clock _________ ________. 2.教室有一些学生。
There _______ ________ _________ in the classroom. 3.我们非常喜欢英语。
We _______ English _______ _______. 4.他常常步行去上学。
He usually _______ _______ _______ _______ _______. 5.他努力学习英语。
He ________ ________ hard. 6.他不在家里做作业。
He ________ _______ _______ _________ at home. 7.我们星期天不去学。
We _______ _______ _______ _______ on Sundays. 8.他经常十点钟睡觉。
He often _______ _______ _______ _______ ______ . 9.有时我五点钟起床。
Sometimes, I _______ _______ _______ _______. 10.他们早上七点钟去上学。
They _______ _______ _______ at seven _______ ________ _________.
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现在进行时
一、概念
表示现在( 指说话人说话时) 正在发生的事情.往往与 now, at the moment, just 等副词连用,以示强调.如 We are waiting for you. What are you doing? Some one’s knocking at the door. 结构:助动词 be ( am / is / are ) +现在分词.
二、 现在分词的构成:
1.大多数动词后可在动词后直接加-ing.
如: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading , 2. 如果动词以-e结尾,则去掉-e,再加-ing,
如come-coming , have-having , make-making,ride-riding,write-writing,take-taking,use-using. 3. 如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing 如: hit-hitting,let-letting, put-putting,run-running,sit-sitting.
三、句型结构:
1.现在进行时的肯定形式、否定形式、疑问形式及其回答,所有变化都体现在助动词 be ( is / am / are ) 上. 1)现在进行时的肯定形式:主语+be(am/ is/are)+doing+其他成分 I am singing . They are writing .
2)现在进行时的否定形式:主语+be(am/ is/are)+not +doing+其他成分 I am not singing . They aren’t writing .
3)一般疑问句及回答:be(am/ is/are)+ 主语+doing+其他成分 Am I singing ? Yes ,you are . / No ,you aren’t . Are they writing ? Yes ,they are . / No ,they aren’t .
4)特殊疑问句及回答:特殊疑问词+be(am/ is/are)+主语+doing+其他成分 What are you doing ? We are playing (要求就提问内容具体回答). 2. 缩写形式如下:
I am---I’m You are---You’re He is---He’s She is---She’s It is---It’s We are---We’re They are---They’re 3.说明: 不是所有动词都能用现在进行时态的,如:
see、like、want、know 等动词往往都不用进行时态.
练习题
I_____ _______ (fly) a kite now. He_____ ________(read) a book now. Look, she_____ _________(swim). Listen, the girls _____ ______(sing)a song.
What are they doing? They _____ _______(make)a kite.
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Some birds ______ _____________(fly)in the sky. My friend ______ ______(listen) music now. 按要求写句子:
1. The boy is playing basketball.
否定句:____________________________ 一般疑问句:_________________________ 肯定回答:__________________________ 否定回答:__________________________ 2.Mike is reading a book.
否定句:____________________________ 一般疑问句:_________________________ 肯定回答:__________________________ 否定回答:__________________________ 3.We are playing games.
否定句:____________________________ 一般疑问句:_________________________ 肯定回答:__________________________ 否定回答:__________________________ 4. I am playing games.
否定句:____________________________ 一般疑问句:_________________________ 肯定回答:__________________________ 否定回答:__________________________ 5. Lucy and Lily are watching TV.
否定句:____________________________ 一般疑问句:_________________________ 肯定回答:__________________________ 否定回答:__________________________ 选择题
1. Look. Lucy is_____ a new bike today.
A. jumping B. running C. riding D takeing 2. The children _____ football.
A. is playing B. are playing C. play the D. play a 3. They ______TV in the evening. They do their homework.
A. are watching B. can’t watching C. don’t watch D. don’t watching 4. Listen! She____ in the classroom.
A. is singing B. sing C .to sing D. is sing
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5. ______are you eating? I’m eating ______ meat.
A. What,some B. Which,any C. Where,not D. What,a 6. Is she ____ something?
A. eat B. eating C. eatting D. eats
7.My dictionary ___,I have looked for it everywhere but still___ it.
A. has lost,don’t find B. is missing,don’t find C. has lost,haven’t found D. is missing,haven’t found.
8..Having a computer for personal use is no easy task because technology _______ so rapidly. A. is changing B. has changed C. will have changed D. will change 9. The building_______ ,I can’t stand the noise.
A. was being built B. is built C. is being built D. builds
10. I can’t catch up with the fashion,because the clothes style_______ all the time. A. has changed B. is changed C. is changing D. changed
用现在进行时完成下列句子:
1. ______you__________(fly) a kite? Yes,_______. 2. ______you___________(sit) in the boat? 3. ______he_____________(talk) with me? 4. We_______________(play) football now. 5. What_________you__________(do)? 6. I_____________(sing) an English song. 7. What________he____________(mend)? 8. He__________________ ____(mend) a car.
9. These boys _________ (play) tennis on the playground.
10. My mother____________ ___________ _______ (cook) in the kitchen. 11. We can’t help you,because we ____________ (have )classes. 12. ________ the boy ___________ (write) his homework? 13. Look! These butterflies ____________ __ (fly) in the sky. 14. Listen! The girl ___________ __ (sing) in the next room. 15. The boy ________________ __ (swim) in the river.
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