小學(xué)一般現(xiàn)在進(jìn)行時講解及練習(xí)(簡單基礎(chǔ))

1、現(xiàn)在進(jìn)行時一、概念現(xiàn)在進(jìn)行時表示說話時正在進(jìn)行或發(fā)生的動作,也可表示當(dāng)前一段時間內(nèi)的活動或現(xiàn)階段正在進(jìn)行的動作結(jié)構(gòu)：助動詞 be ( am / is / are ) +現(xiàn)在分詞.二、現(xiàn)在分詞的構(gòu)成：1.大多數(shù)動詞后可在動詞后直接加-ingEg: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading , think-thinking2. 如果動詞以-e結(jié)尾,則去掉-e,再加-ing,如come-coming , have-having , make-

2、making,ride-riding,write-writing,take-taking,use-using3. 如果動詞只有一個元音字母,而其后跟有一個輔音字母時,將此輔音字母雙寫,再加-ing如： hit-hitting,let-letting, put-putting,run-running,sit-sitting三、句型結(jié)構(gòu)：1.現(xiàn)在進(jìn)行時的肯定形式、否定形式、疑問形式及其回答,所有變化都體現(xiàn)在助動詞 be ( is / am / are ) 上1)現(xiàn)在進(jìn)行時的肯定形式：主語+be(am/ is/are)+doing+其他成分I am singing . They are writin

3、g .2)現(xiàn)在進(jìn)行時的否定形式:主語+be(am/ is/are)+not +doing+其他成分I am not singing . They arent writing .3）一般疑問句及回答：be(am/ is/are)+ 主語+doing+其他成分Am I singing ? Yes ,you are . / No ,you arent .Are they writing ? Yes ,they are . / No ,they arent .4)特殊疑問句及回答:特殊疑問詞+be(am/ is/are)+主語+doing+其他成分What are you doing ? We are

4、 playing (要求就提問內(nèi)容具體回答).2. 縮寫形式如下:I am-Im You are-Youre He is-Hes She is-Shes It is-Its We are-Were They are-Theyre3.說明: 不是所有動詞都能用現(xiàn)在進(jìn)行時態(tài)的,如：see、like、want、know 等動詞往往都不用進(jìn)行時態(tài)四用法：1.表示現(xiàn)在( 指說話人說話時) 正在發(fā)生的事情往往及 now,at the moment,just 等副詞連用,以示強(qiáng)調(diào)We are waiting for you. What are you doing? Some ones knocking at

5、 the door2.正在進(jìn)行著的動作可視為未完成的動作：Hes talking to his friends in the classroom.可用 still 一詞強(qiáng)調(diào)動作的持續(xù)性Hes still talking to his friends in the classroom.3. 表示長期的或重復(fù)性的動作,說話時動作未必正在進(jìn)行Mr. Black is writing another article.Dont take that book away. Your fathers using it.She is learning piano under Mr. Black.4.現(xiàn)在進(jìn)行時可

6、用來表示不會長期發(fā)生的動作或情況,或被認(rèn)為在短期內(nèi)正在進(jìn)行的動作或存在的情況：Whats your brother doing these days? Hes studying English at Oxford University.隨堂練習(xí)：一、寫出下列動詞的現(xiàn)在分詞形式：look_ do_ study_ play_ read_take_ make_ come_ have_ use_let_ put_ swim_ hit_ run_按要求完成句子：I_ _ (fly) a kite now.He_ _(read) a book now.Look, she_ _(swim).Listen,

7、the girls _ _(sing)a song.What are they doing? They _ _(make)a kite.Some birds _ _(fly)in the sky.My friend _ _(listen) music now.二、按要求寫句子：1. The boy is playing basketball.否定句：_一般疑問句：_肯定回答：_否定回答：_2. They are singing in the classroom.否定句：_一般疑問句：_肯定回答：_否定回答：_3.Mike is reading a book.否定句：_一般疑問句：_肯定回答：_

8、否定回答：_4.They are playing games.否定句：_一般疑問句：_肯定回答：_否定回答：_5.Lucy and Lily are watching TV.否定句：_一般疑問句：_肯定回答：_否定回答：_6.仿照例句造句:Model:read a book-What are you doing?-I'm reading a book.1).watch TV_2).clean the blackboard_三.選擇1. Look. Lucy is_ a new bike today.A. jumping B. running C. riding D takeing2.

9、The children _ football.A. is playing B. are playing C. play the D. play a3. They _TV in the evening. They do their homework.A. are watching B. cant watching C. dont watch D. dont watching4. Listen! She_ in the classroom.A. is singingB. sing C .to sing D. is sing5. _are you eating? Im eating _ meat.

10、A. What,some B. Which,any C. Where,not D. What,a6. Is she _ something?A. eat B. eating C. eatting D. eats7.My dictionary _,I have looked for it everywhere but still_ it.A. has lost,dont find B. is missing,dont findC. has lost,havent found D. is missing,havent found.8.Having a computer for personal u

11、se is no easy task because technology _ so rapidly.A. is changing B. has changed C. will have changedD. will change9. The building_ ,I cant stand the noise.A. was being built B. is built C. is being built D. builds10. I cant catch up with the fashion,because the clothes style_ all the time.A. has ch

12、anged B. is changed C. is changing D. changed11. Its six in the afternoon. The Greens_ lunch together.A. has B. are having C. have hadD. had had12. Dont make any noise while the students_ to the class. A. are listening B. listened C. have listened D. had listened13. Jack and Ketty_ in the lake. Lets

13、 join them,shall we? A. swim B. have swum C. swamD. are swimming14. Look! The children_ basketball on the playground.A. plays B. played C. is playing D. are playing15. The kite_ high in the sky now. It looks like a big bird.A. has flown B. is flying C. was flying D. flew16.As we all know,the populat

14、ion in the world _ faster and faster.A. is grown B. is growing C. are grown D. are growing17. To my surprise,he_ in class.A. is always speaking B. would always speak C. has always been speaking D. does speak always18. I want to know when he _ for New York tomorrow. A. has left B. is leaving C. had l

15、eft D. has been leaving19. He_ of how he can do more for the people.A. had always thought B. is always thinking C.has always been thought D. thinking always20. Forests _ and burned at such a speed that they will disappear from the earth in the future. A.cut B. are cut C. are being cut D. had been cut五、用現(xiàn)在進(jìn)行時完成下列句子: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