1、7AU8Grammar-现在进行时(be doing)“时态”表示一个动词在不同的时间内发生的动作或存在的状态，需要用不同的动词形式表示。在英语语法中，“时”指动作发生的时间，“态”指动作的样子和状态。下面来学习现在进行时的用法。 一、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。如：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。如： 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.
2、 Smith.3. 表示渐变的动词有：get, grow, become, turn, run, go, begin等。如： The leaves are turning red. Its 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感情色彩。如：You are always changing your mind.1.)The boy _always _ us! (夸赞) (A)A. is; helping B. does; help C. can; hel
3、p D./;help2.)You _ always _ the same mistake!(责备)A. do; makeB. does; make C. is; making D. are; making (D)二、时间状语：now, at this time, these days, look, listen,等暗示动作正在发生，或有表示现在的上下文语境时. etc. He is reading a book now. 他正在看书。(目前正在干的事情) They are doing homework these days. 这几天他们都在做作业。 三、基本结构：be(am/is/are)+d
4、oing动词ing形式的构成：大多数动词 + ingthink thinking以不发音e 结尾的动词 - e + ingtake taking以ie 结尾的动词 -ie + y + inglie lyingtie tyingdie dying某些以“一个元音字母+ 一个辅音字母”结尾的动词双写辅音字母+ ingrun running swim swimmingget getting写出下列动词的现在分词形式read play dance write sit get have eat look carry begin put take swim leave shine make sleep c
5、ut change lie study pay visit wait 四、否定形式：be(am/is/are)+not+ doing.如：He is buying a bike. He isnt buying a bike.五、一般疑问句：把be动词放于句首。规律：将be 动词移到主语前面。如：He is buying a bike. Is he buying a bike? 注意：肯定回答时主语be动词不能缩写，否定回答时be动词和not可以用完全形式也可以用缩写。六、注意点：（1）现在进行时的谓语动词由“be的某种形式+ 动词ing形式” 这两部分构成。这时be是助动词，没有实际意思，只起
6、构成时态的作用。如： We having breakfast. (错）We are having breakfast. (正)(2) 表示感觉，愿望和状态的某些动词，如：have（有），know, understand, love, like, want, hope, hear, see等一般不用进行时。(3) 双写末尾一个辅音字母再加ing形式的动词（现在分词须双写的动词）有：一M一D一R加二G：一个MM点头喜欢游泳。（swimming/nodding/preferring），两个GG慢跑着去挖掘.(jogging/digging)四N五P加十一T：四N：开始计划跑赢了；(beginning
7、/planning/running/winning); 五P：停止踩踏放弃拖地去购物。(stopping/stepping/dropping/mopping/shopping); 十一T：得到让坐去聊天，遗憾的是忘记放下切割，打赌设置击打！(getting/letting/sitting/chatting; regretting/forgetting/putting/cutting；betting/setting/hitting)(4) 有几个瞬间动词可以用现在进行时表将来，如：begin, start, come, go, leave, arrive, return, die等。如： Mr.
8、 Wang is leaving Donghai for Beijing.= Mr. Wang will leave Donghai for Beijing. 1.)-Lucy! Would you like to give me a hand? -OK. I_. A. will comeB. come C. am comingD. would come2.)-When_ you _ for Toronto? -Tomorrow. (B)A. do; leaveB. are; leavingC. will; leavingD. shall; leave巩固练习：一、单项选择( )1. _ yo
9、u _ your homework now? A. Do; doing B. Are; doing C. Were; doing D. Does; do( )2. _ your mother _ shopping at the moment? A. Are; doing B. Is; doing C. Is; taking D. Are; taking( )3. _ the children _ the radio? A. Is; listening B. Is; listening to C. Are; listening to D. Are; listening( )4.-Mike, wh
10、o _football in the yard? -Let me go and see. （2004顺义）A. has played B. will play C. was playing D. is playing( )5.Look!What_the children_ over there? A. are; do B. are; doing C .is; do D. is ( )6.Those workers _here these months.A. are workB. are worked C. work D. are working( )7.How _ you _ along wi
11、th your workmates? -Very well.A. do; get B. will; get C. can; get D. are; getting( )8.-Must I water the flowers now? -No, you neednt. Jack _them.A. is watering B. watering C. watersD. is watered( )9. Wheres your father, Mike?He _ in the kitchen.A. cooksB. cookedC. is cookingD. has cooked二、用所给动词的适当形式
12、填空。 1. Look! Andy _ (fly) a model plane.2. Listen! Amy _ (sing) 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. 6. Kitty_ (dance)with her friends. Cant you see?7. -Where is Millie? -Sh
13、e_ (chat) with her classmates in the classroom.8. -What _Simon _ (do)? -He _ (draw) a picture on the blackboard.9. -_the girls _(sing)? -No, they_ (shout). Dont talk with me, please. I _ (do) my homework. 10.I have dancing lessons. I _ (look) for my dancing shoes.11. Look! Simon _ (play) football wi
14、th his friends in the playground.12. Its 4 oclock in the afternoon. Daniel _ (study) in the classroom.13. Millie _ (write) a letter to her friend about the fashion show.14. Sandy is a member of the basketball team. Now she _ (practise ) with other team members.15. Where is Amy? Oh, she _ (talk) to h
15、er cousin Shirley. They _ (wait) for the school bus. 三、句型转换练习。1. Jack is playing table tennis under a big tree. (改为否定句) _ table tennis under a big tree.2. The teacher is making a kite for Ann now. (改为一般疑问句) _ a kite for Ann now? 3. The students are having a meeting in the classroom. (对划线部分提问) _ in t
16、he classroom? 4. Jim is seeing a flm at Wanda Cinema. (对划线部分提问)_ _Jim _a film?5. I am feeling very tired now. (对划线部分提问) _ _ you _now?6. Daniel studies in the library every Sunday afternoon. (用now作时间状语改写句子)Daniel _ in the library 7.我弟弟正在书房给李叔叔写信。 (完成句子)My brother Uncle Li in the study.四、用现在进行时改写下列句子。 1. She sits under the tree. _.2. I eat a hamburger and some fruit. _.3. They clean the classroom. _.4. -Does Jim draw a picture? -Yes, he does._.5. My mother doesnt cook in the kitchen. _.
