1、學習必備歡迎下載現在進行時的講解與練習一、概念：1、表示說話時正在進行的動作及行為。2、表示現階段正在進行的動作。它的構成關鍵在于動詞形式的變化。即I am + v-ing + .We / You / They /復數名詞 + are + v-ing + .He / She/ It / 單數名詞 + is + v-ing + .如：Im doing my homework now .我正在做家庭作業(yè)。(指說話 時正在發(fā)生的 動作)We are working on a farm these days .這些天我們在一家農場 勞動。(指 現階段正在發(fā)生的動作)Look ! He is readi

2、ng .瞧，他正在看書?，F在進行時是由助動詞be的人稱代詞形式加現在分詞構成。動詞變現在分詞的方法：情況力口 法例詞一般情情況加-ingplay-playing,以不發(fā)音的字母 e結尾去e力口 -ingMake-making以重讀閉音節(jié)結 尾，末尾只有一 個輔音字母雙寫末尾輔 音字母,再加-ingput putting swim swimming stop stopping shop shopping run running sit sitting get getting jog jogging、結構?，F在進行時常有三種句型：(1)肯定式：主語+be+ v-ing +其它。如：He is pl

3、aying football .(2)否定式：主語+ be+ not + v-ing +其它。如：He is not ( isnt ) playing football .(3)疑問式：主要分一般疑問句和特殊疑問句兩種句式。一般疑問句：Be +主語+ v-ing +其它？如：Is he playing football ?Yes , he is .( No , he isnt .)特殊疑問句：疑問詞+ be +主語+ v-ing +其它？如：What is he doing ?他正在干什么？三、何時用現在進行時？分以下幾種情況：(1)以Look !或Listen !開頭的句子，提示我們說話時動

4、作正在進行，應用 現在進行時。如：Look ! The children are playing games over there .Listen ! Whos singing in the classroom ?(2)當句子中有now (現在)時，常表示說話時動作正在進行，這時也常用 現在進行時。如：We are reading English now學習必備歡迎下載(3)描述圖片中的人物的動作時常用現在進行時，以示生動。如： Look at the picture . The girl is swimming .(4)有時句子中可能沒有時間狀語，但如果表示的是說話時或者現階段正在 進行的動

5、作，就應該用現在進行時。如：Whats Jim doing ? He is cleaning the roo m .練習：一、寫出下列動詞的現在分詞play read sweep stand sit make go sleep jump walk cleanwash ski_sing do dance come skateride love put live swim run eat playbuylikewritehave二、用所給的動詞的正確形式填空7The boy (draw) a picture now.Listen .Some girls (sing) in the classroo

6、m.My mother(cook) some nice food now.What you(do) now?Look, they(have) an English lesson.They(not ,water) the flowers now.Look, the girls (dance) in the classroom. 8. What is our granddaughter doing? She (listen) to music. It 5 o clock now. We (have)supper now.Helen(wash )clothes? Yes, she is.三、句型轉換

7、：They are doing housework. (1 改一般疑問句并作肯定、否定回答；2改否定 句)The students are cleaning the classroom.（ 1 改一般疑問 句并，作 肯定、否定 回答；2對畫線部分提問）I mlaying football in the playground.（改一般疑問句并作肯定、否 定回答;2對劃線部分進行提問）Tom is reading books in his study . （1改一般疑問句并作肯定、否定 回答；2對劃線部分進行提問）四.根據漢語意思填空.你要去哪兒啊？ Where are you?. Nick 正在

8、爬攀登架.Nick is(climb) the jungle gym.他們正在讀書.They are books.爺爺正在吸煙.Grandpa is.我在做作業(yè).I am(do) my homework.我媽媽正在做飯.My mother is. Jerry在喝檸檬果汁.Jerry is lemon juice.他正在寫信.He is a letter.看！ Cindy 來了 . Look, Cindy is.學習必備歡迎下載.我們在唱歌. We are now.五.填入be動詞的適當形He drinking water.The eagle flying in the sky.Children

9、 playing in the playground.They are working now.I going to the supermarket.I coming.He walking in the woods now.They watch TV in the evening.過去進行時的用法與練習一、用法說明展示在過去某一時刻或某一階段正在發(fā)生的動作。如：What were you doing this time yesterday?昨天這個時候你在做什么？During the summer of 1999 she was travelling in Europe. 199笄夏天她在歐洲

10、旅行。句型：肯定何：主語+was/were+doing+其它否定旬：主語+was/were+not+doing+其它一般疑問句及答語： Was/Were+主語+doing+其它特殊疑問句：特殊疑問詞+was/were+主語+doing+其它注意：一、過去進行時的主要用法是描述一件事發(fā)生的背景；一個長動作發(fā)生的時候，另一個短動作發(fā)生。常用的時間狀語 this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while。例如：.We were watching TV from s

11、even to nine last night.昨天晚上七點到九點的時候我們在看電視。.What was he researching all day last Sunday?h 周日他一整天都在研究什么？.My brother fell while he was riding his bicycle and hurt himself.我哥哥騎自行車的時候從車上摔下來，受傷了。.It was raining when they left the station.他們離開車站的時候天正在下雨。5.When I got to the top of the mountain, the sun was

12、 shining.當我到達山頂的時候，陽光燦爛。二、過去進行時可以表示在過去某個時間點發(fā)生的事情。時間點可以用介詞短語、副詞或從句來表示。如：1.What was she doing at nine oclock yesterday?乍天晚上九點她在做什么？（介詞短語表示時間點） 2.When I saw him he was decorating his room.當我看見他的時候他正在裝飾房間。（when從句表示時間點）三、在復合句中，如果主要動作和背景動作都是延續(xù)的或同時發(fā)生的，那么主從句的動詞都可用過去進行時。 例如：While he was waiting for the bus,

13、he was reading a newspaper邊等車邊看報。（兩個動作都是延續(xù)的）He was cleaning his car while I was cooking.他擦車時我在做飯。（兩個動作同時進行）一、句型變換1、I was waiting for a bus at that time.改為否定句 對劃線部分提問2、The boy was playing over there at six yesterday.改為一般疑問句學習必備歡迎下載做出肯定和否定回答 對劃線部分提問3、Lucy was helping her mother this time on Sunday.改為反

14、意疑問句 對劃線部分提問二.按要求進行句型轉換。We were having a PE class at four yesterday aftern00n.(為否定旬)We a PE class at four yesterday afternoon.Kate was reviewing her lessons at eight last night.(改為一般疑問句，做肯，否回答，對劃線部分提問)He ran in the park .由 at this time yesterday改寫)They were playing computer games at nine last night.

15、(戈U線部分提問)I was reading a novel at three yesterday afternoon.劃線部分提問)三.根據漢語提示完成句子。.他們那時不在打排球。They volleyball at that time.當你回來時，他在看電視嗎？ he Tv when you came back?. 昨天中午他在哪里等你？he for you at noon yesterday .當我離開時，他正在做家庭作業(yè)。He his homework when I left.正當他們掃地的時候，老師進來了。While theythe floor , the teacher came in.四、動詞Jill. John(work) all day yesterday. He(walk) home when the (rian) begin.Whatyou(do) at ten oclock yesterday? I (studay) in class.When Harry(have) breakfast Lily (telephone) him.When I(go) to school this m