1、語法專題現在進行時現在進行時現在進行時一、含義：一、含義： 現在進行時現在進行時表示現在（即說話人說話的時表示現在（即說話人說話的時刻）正在進行的動作或正在發生的事情，刻）正在進行的動作或正在發生的事情，現在進行時的標志性詞語有現在進行時的標志性詞語有now, look, at the moment, listen等等二、現在二、現在進行時基本結構進行時基本結構主語主語 + be動詞動詞 + 動詞的動詞的現在分詞現在分詞IamHe / SheWe / You / They isarewriting.speaking.running.: be+doing ( be: be+doing ( be要

2、根據主語作人稱和數的變化要根據主語作人稱和數的變化) )現在進行時現在進行時現在進行時的四種句式：現在進行時的四種句式：1.1.肯定句肯定句主語主語+be+doingEg: I am doing my homework.2.2.否定句否定句主語主語+be+not+doingEg: I am not doing my homework.3.3.一般疑問句一般疑問句bebe提到句首（注意人稱變化）提到句首（注意人稱變化）Eg: Are you doing your homework?4.特殊疑問句：特殊疑問詞特殊疑問句：特殊疑問詞+一般疑問句一般疑問句Eg: What are you doing

3、now?1.肯定句轉換成否定句肯定句轉換成否定句,要在要在 be 后加后加 not 構成構成eg:We are reading English now. We are not reading English now.2.陳述句轉換成一般疑問句陳述句轉換成一般疑問句,把把be動詞提到句首動詞提到句首eg:The student is drinking. Is the student drinking?3.陳述句轉換成特殊疑問句陳述句轉換成特殊疑問句,由由“疑問詞疑問詞+一般疑問句一般疑問句”構成構成eg:He is working. What is he doing?現在進行時現在進行時現在分詞

4、的構成規則：現在分詞的構成規則：1.一般在動詞詞尾加一般在動詞詞尾加-ing，如如：read-reading 2.以不發音以不發音e結尾，去結尾，去e加加-ing，如如：write-writing 3.以重讀閉音節結尾的動詞，末尾只有一個輔音字母，以重讀閉音節結尾的動詞，末尾只有一個輔音字母，應先雙寫這一字母，再加應先雙寫這一字母，再加-ing。Eg：swim-swimming run-running cut-cutting shop-shopping sit-sitting特殊變化特殊變化：lie-lying平躺，平躺，die-dying死亡死亡用現在進行時完成下列句子用現在進行時完成下列句

5、子:1. What _ you _(do)?2. I_ (sing) an English song.3. What _she _(drink)?4. He_ (drive) a car.5. _ you _(fly) a kite? Yes, _.6. _ she _ (sit) in the boat?7. _you _ (ask) questions?8. We_ (play) games now.are playingdoingaream singingisdrinkingis drivingAre flying I am IssittingAreaskingSome exercise

6、s.一、用現在進行時改寫下列句子一、用現在進行時改寫下列句子.1.She sits under the tree. She is sitting under the tree.2.I eat a hamburger and some fruit. I am eating a hamburger and some fruit.3.They clean the classroom They are cleaning the classroom.1.The child _the windows now.(open) 2.The boy _ a picture now.(draw)3.Look! Sh

7、e _ a book.(read)4.I _an e-mail to my pen pal now.(write) 5.You _ your homework at home now.(do) 6.We _ at school now.(run)7.They _ TV now.(watch)is openingis drawingis readingam writingare doingare runningare watching二、用所給動詞的適當形式填空二、用所給動詞的適當形式填空1.Look! Andy_(fly) a model plane.2.Listen! Amy_(sing)

8、in the next room.3.Many students_(play) football in the football field now.4.Father isnt at home. He _(work).5.Its seven oclock now. His father _(watch) TV.is singingare playingis workingis watching6.Kitty_(dance)with her friends. Cant you see?7. -Where is Millie? -She_(chat) with her classmates in

9、the classroom.8. -What_Simon_(do)? -He_(draw)a picture on the blackboard.9. -_the girls_(sing)? -No,they_(shout).10.Dont talk with me, please. I _ (do) my homework.is dancingis chattingisdoingis drawingAresingingare shoutingam doing句型轉換：句型轉換：1.They are cleaning the house.（一般疑問句）（一般疑問句）3.Tom is singing.（改為否定句）（改為否定句）4.Kate is_（劃線提問）（劃線提問）5.She is sitting