现在进行时一、意义——当表示现在正在进行的动作或正在发生的事。
时间标志——now，句前的look ,listen二、构成:be (am, is ,are )+动词现在分词-ing形式肯定句：主语+ be + 现在分词V-ing (+ 其他)I'm doing my homework now .否定句：主语+be+not+动词-ing +其他.I'm not doing my homework now.一般疑问句：Be+主语+动词-ing +其他Are you doing your home work nowYes, I am . No , I'm not .特殊疑问句：特殊疑问词+be+主语+动词-ing+其他三、现在分词的构成：ing,一般在动词末尾直接加(1)．(2)以不发音字母e结尾的动词，先去掉e,再加ing，如make →making dance →dancing跳舞write →writing写have →having ride→riding 骑come →coming来以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母，应双写末尾的辅音字母，再加ing, 如：putting running beginning stopping swimming shopping jogging sitting getting forgetting letting四、现在进行时的基本用法：(1) 表示现在( 指说话人说话时) 正在发生的事情。
We are waiting for you.(2) 习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。
Mr. Green is writing another novel.)说话时并未在写，只处于写作的状态。
(She is learning piano under Mr. Smith.(3) 表示渐变的动词有：get, grow, become, turn, run, go, begin等。
The leaves are turning red.It's getting warmer and warmer.(4) 与always, constantly, forever 等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的主观色彩。
You are always changing your mind.(责备)(5)表示最近按计划或安排要进行的动作，如常与表示将来的时间状语连用，常用的动词有come,go,leave, start, arrive, have 等,如: He is leaving for Nanjing this evening，他今晚动身去南京。
We are having a holiday next Monday，我们下星期一放假。
不用进行时的动词1.感官动词不用于进行时态这些词有see,hear,smell,taste,feel,如：The cake smells good，那块蛋糕闻起来味道很好。
2.表示感情的动词不用于进行时态这些词有love,hate,like,fear,prefer，如I like playing basketball.我喜欢打篮球。
3.表示思考和理解等意义的动词不用于进行时态这些词有know,understand,wish,hope,forget,remember, need现在进行时一、写出下列动词的现在分词。
walk____________run_____________swim_____________make____________ go______________write__________shop______________ sit_______________ have____________sing____________dance_____________put______________ see____________buy____________listen_____________ jump______________二、用现在进行时完成下列句子。
1. What___________you___________(do)2. Look! Someone _________________(dance).3. What_______he__________ (talk)4. He_______________(clean) a car.5. _______you________________(write) a letter6. __________Cindy___________ (jump) in the park7. _______you____________(ask) questions8. We____________________(play) games now.9. My father__________________(work) now.10. He_________________(read) an English book now.三、用所给的动词的正确形式填空。
1 .What_________you_________(do)now2. What _______your mother_____________ (do) now3. Look! Three boys______________________(run).4. Listen! some girls_______________________ (sing) in the classroom.5. It's nine o'clock. My father_____________________(work) in the office.6. Where is Mark He___________________(sit) on the grass.7. Look, Miss Chen_________________ (play) football.8 What is our daughter doing She_____________________(listen) to music.9. It's 5 o'clock now. We ____________________( have ) supper now.10. ______he____________(clean) the classroom No. He isn't. He ______(talk).四、按要求改写下列的句子。
．are doing your homework.(用”I”作主语改写句子)_________________________________________________is closing the door now.(改成否定句)__________________________________________________The birds are singing on the tree.(就划线部分提问)__________________________________________________are cleaning the window.(改为一般疑问句)__________________________________________________is dancing.(对划线部分提问)__________________________________________________am riding a bike with my father.(对划线部分提向)__________________________________________________mother is cooking the meal.(改为否定句)__________________________________________________Mary is writing letter to her pen pal.(对划线部分提问)__________________________________________________五、将下列句子改成现在进行时。
1. I watch TV.__________________________________________________2. Kitty and Ben have lunch at about twelve.__________________________________________________3. She works in a hospital.__________________________________________________4. What do you do__________________________________________________5. Danny eats an apple.__________________________________________________过去进行时1）概念：过去进行时主要表示过去某一时刻正在进行的动作，或表示过去某一阶段一直在进行的动作2) 常用的时间状语this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while....My brother fell while he was riding his bicycle and hurt himself.It was raining when they left the station.When I got to the top of the mountain, the sun was shining.过去进行时结构：构成，”动词的现在分词was/were+”过去进行时谓语动词形式由．如What were you doing at the time of the meeting开会的时候你正在干什么Jimmy was watching TV at this time last Monday .上个星期一的这个时候吉米正在看电视。
否定句则在was/were后加一个not,疑问句将was/were提前则可如：He was reading a book at 5:00pm yesterday.→He was not reading a book at 5:00 yesterday.→Was he reading a book at 5:00 yesterday(Yes, he was./ No, he wasn't.)→What was he doing at 5:00 yesterday三、过去进行时的句式类型构成例句He was crying at that time. 其+was/were+doing+主语肯定句他他那时正在哭They weren't watering the 语主+was/were+not+doing+其flowers.那时他们没有在否定句浇花他thehe drawing in Was +doing+Was/Were+主语一般疑问句park at this time last week 其他上个星期的这个时候他．正在公园里画画儿嘛What was he doing at 8:00语主问句+was/were+疑特殊疑问句night昨天晚上八pm last 其他+doing+ 点他正在干什么二、过去进行时用法：1. 过去进行时主要表示过去某个时刻正在进行的动作，常和表示过去的状语连用。