初中一般現(xiàn)在時和現(xiàn)在進行時講解、練習(xí)及答案

1、一般現(xiàn)在時和現(xiàn)在進行時一般現(xiàn)在時用法：1 .現(xiàn)階段經(jīng)常性習(xí)慣性動作或存在的狀態(tài)1 leave home for school at 7 every morning.2 .客觀真理，客觀存在，科學(xué)事實The earth moves around the sun.Shanghai lies in the east of China.3 .在格言或警句中)Pride goes before a fall. 驕者必敗。常用時間狀語：sometimes, often, every day, usually, always 等構(gòu) 成：1.動詞用原形 I like it.2.當(dāng)主語是第三人稱單數(shù)時，動詞要加

2、-s(-es)She likes it.動詞用am, is, are1 am a teacher.He is a boy. They are girls.否定形式：'t+動詞原形I don， t like it. They don， t like it.2 .當(dāng)主語是第三人稱單數(shù)時，則為doesn' t+動詞原形 He doesn, like it.一般疑問句：把do或does放在主語的前面，后面動詞用原形Do you like it Does Ann like it注意：動詞三單的變化規(guī)則【鞏固練習(xí)】寫出下列動詞的第三人稱單數(shù)drink stay look have dopa

3、ss carry come watch brush1. Mrs. Smith the windows every day.A. is cleaning B. clean C. cleans2. On Sunday he sometimes his clothes and sometimes some shopping.A. wash/ do B. is washing/ is doing C. washes/ does3. She up at six in the morning. A. get B. gets C. getting現(xiàn)在進行時1 .定義：表示正在發(fā)生或進行的動作結(jié)構(gòu)：be (a

4、m, is,are) +動詞現(xiàn)在分詞形式(簡寫：be +動詞-ing)A、陳述句(肯定句)主語+be (am, is, are) +現(xiàn)在分詞，如：I am reading English.我正在讀英語。He is writing.他E 在寫 字。B、一般疑問句Be (Am, Is, Are) +主語+現(xiàn)在分詞， 如：Are you singing你正在唱歌嗎C、特殊疑問句疑問詞+be (am, is, are)+主語+現(xiàn)在分詞What are you doing你正在干什么I am doing my homework.我正在做作業(yè)。2 .標(biāo)志詞：(1) 時間狀語 now 、at the mom

5、ent(2)句前有提示詞look 、listen 、look at 如：1. I am listening to the music now.2. The students are drawing pictures now.3. Listen! She is singing.4. Look! Mr. Li is riding a bike.3 .動詞-ing的構(gòu)成規(guī)則（1）一般情況下，直接加ing,如：cook-cooking, go-going, wash-washing, fly-flying（2）以不發(fā)音的e結(jié)尾，去e加ing,如：make-making, taste-tasting（3

6、）如果末尾是一個元音字母和一個輔音字母，雙寫末尾的輔音字母，再加ing, 如 ： run-running, stop-stopping , swim- swimming, run-running,get-getting（4 ） 以ie 結(jié)尾的動詞，先把ie變成y 再加-ingo lie- lyingtie -tying注意： see-seeingdraw-drawing listen-listening【鞏固練習(xí)】1. Where is MaxHe（run） on the grass.A. runs B. running C. is running2. Is the man tea or mi

7、lkA. drinks B. drink C. drinking3. Don' t talk here. Grandparents .A. is sleeping B. are sleeping C. sleeping D. sleep4. The boy is playing basketball.否定句：一般疑問句：肯定回答：否定回答：對劃線部分提問：5. They are singing in the classroom.否定句：一般疑問句：肯定回答：否定回答:I對劃線部分提問：【作業(yè)布置】 一、選擇題練習(xí)1. Who over there nowA. singing B. ar

8、e sing C. is singing D. sing2. It' s nine ten. The students an English class.A. have B. having C. is having D. are having3. Listen! The baby in the next room.A. crying B. cried C. is crying D. cries4. Look! The twins new sweaters.A. are wearing B. wearing C. are wear D. is wearing5. Tom is a wor

9、ker. He in a factory. His sisters in a hospital.A. work/ work B. works/ work C. work/ works )6. We music and often to music.A. like/ listen B. likes/ listens C. like/ are listening7. The twins usually milk and bread for breakfast, but Jim some coffee for it.A. have/ have B. have/ has C. has/ have 二、

10、用所給單詞的正確形式填空：1. My father always (come) back from work very late.2. The teacher is busy. He (sleep) six hours a day.3. Listen! Joan (sing) in the classroom. She often (sing) there.4. your brother (know) Japanese5. Where you (have) lunch every day6. The girl (like) wearing a skirt. Look! She (wear) a

11、 red skirt today.7. My parents (watch) TV now.8. Look. Three boys (run).9. . What your mother (do) now10. your dog now (sleep)11. you (listen) to music Yes, I am.12. Look, Miss Chen (play) football.13. Tom and his sister (wait) for you over there.14. Now Class 3 and Class 4 (have) a test.15. Listen,

12、 someone (sing) in the classroom.16. Where is Zhang YanShe (talk) with her teacher in the teacher, s office.三、按要求進行句型轉(zhuǎn)換：1. Lily is dancing.(改為一般疑問句)2. Kate is looking for her watch.(改為否定句)3. Mrs. White is watching TV.(對劃線部分提問)4. I am doing homework.(改為否定句)5. They are waiting for you at the library.(

13、就劃線部分提問)四、改錯：1. People like swiming in summer. () 3. Are you listen to me () 4. I not writing a letter. () 5. My brother speak English.()答案:一、CDCABAB二、1、comes 2、sleeps 3、is singing； sings4、 Dose； know 5、 Do； have 6、 likes； is wearing7、are watching 8、are running 9、is； doing 10、 Is； sleeping11、Are； listening 12、is playing 13、are waiting 14、are having15、 is sin