初一英语《现在进行时》语法ppt课件.ppt

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1、变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Present continuous tense现在进行时现在进行时变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Definition(定义） We use the present continuous tense to show that something is happening now. 现在进行时表示：现在进行时表示：现在正在现在正在发生的事情或现在正在进行的动

2、作发生的事情或现在正在进行的动作变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Heplayfootball .isingShereada book.isingWhat is he doing ?What is she doing ?变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分They are watching TV.What are they doing ?变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统

3、相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Look！The twins are thinking.What are they doing ?变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分观察以下三个句子，猜猜现在进行时的结构：I am having an English class.Lucy is reading a book.They are watching TV.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是

4、电力系统接线组成中一个重要组成部分 positive(肯定句）：肯定句）： 主语主语+be(is am are) + doing+其其他他 如：如： I am reading a book. 我正在看书。我正在看书。He/She/It is eating. I am eating. You/We/They are eating.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 Negative（否定句）：主语（否定句）：主语+be(is am are) + not + doing 如：如：I am writ

5、ing.我正在写字我正在写字。 I am not writing.我不是正在我不是正在写字。写字。 He/She/It is (not) eating. I am (not) eating. You/We/They are (not) eating.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 3.一般疑问句及回答一般疑问句及回答:问句问句,直接把直接把be提前提前, Be（is am are）+主语主语+doing +其他？其他？ 肯定回答肯定回答:Yes,主语主语 +be （is am are） 否

6、定回答否定回答: No,主语主语+be（is am are）+not -Are you drawing ? -Yes,I am./No, Im not. -Is she singing？ -Yes，she is./No, she isnt. -Are they running? -Yes,they are./No, they arent.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 特殊疑问句：特殊疑问词+be （is am are）+主语+doing例如：What are you doing ？ I

7、am writing . What is he/she/it doing？ He /She/It is writing. What are they doing？ They are writing.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分When we saw the following words, we should use present continuous tense时间状语时间状语 at present 目前；现在 at the moment 此刻，现在 right now 此刻，现在；

8、立刻，马上 now 现在 Look ! 看看 Listen ! 听听变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What is it doing?It is dancing.What is he doing?He is drawing.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What are they doing?They are playing football.变电站电气主接线是指变电站的变压器、输电线路

9、怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What are they doing?They are playing basketball.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What is she doing?She is swimming.What are they doing?They are boating.What are they doing?They are running.What is she doing?She is danci

10、ng.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What is he doing?He is playing basketball.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What is the boy doing？He is singing.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Look and guess

11、请一个同学上来做动作，其余同学猜这个同学在做什么。知道的同学请举手。 （必须使用刚学的句型“What is he/she doing？-He/She is ”） 加油，你是最棒的！变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分-What are they doing?-Theyre swimming.-Are they swimming?-Yes, they are.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Wh

12、at is she doing?She is cleaning the house.Is she doing her homework?No,she isnt.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分What are they doing?They are running.Are they writing？No,they arent.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 一、句型转换一、句型转换 1.

13、I am watering the flowers.(改为否定句改为否定句) 2.Shes jumping now.(改为一般疑问句改为一般疑问句) 3.The boys are playing cards.(对划线部分提对划线部分提问问) 4.Is he doing his homework？（肯定和否定回？（肯定和否定回答）答）Is she jumping now?What are the boys doing?Yes ， he is./No，he isnt.I am not watering the flowers.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完

14、成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 二、按要求改写句子 1. The boy is playing basketball. 否定句：_ 一般疑问句：_ 肯定回答：_ 否定回答：_ 对“ is playing basketball”提问：_ 对“ The boy”提问：_The boy is not playing basketball.Is the boy playing basketball？Yes，he is.No，he isnt.What is the boy doing ？Who is playing basketball ？变电站电气主接线是指变电站的变

15、压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 2. They are singing in the classroom. 否定句：_ 一般疑问句：_ 肯定回答：_ 否定回答：_ 对“are singing ”提问：_ 对“ in the classroom”提问：_ They are not singing in the classroom. Are they singing in the classroom？Yes，they are.No，they arent.What are they doing in the classroo

16、m？Where are they singing？变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 1.完成课本P50、51练习。 2.复习这节课所讲内容。 3.继续背诵第四单元词汇，下星期回来听写。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 选择填空： 1. Who _ over

17、 there now? A. singing B. are sing C. is singing 2. Its nine ten. The students _ a music class. A. have B. having C. are having 3. Listen! The boy_ A. crying B. is crying C. cries 4. Dont talk here. Grandparents _. A. sleep B. is sleeping C. are sleeping 5. Is the man _ tea or milk? A. drinks B. dri

18、nk C. drinking CCBCC变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 用所给的动词的正确形式填空： 1.The boy _ (draw)a picture now. 2. Listen !Some girls _ ( sing)in the classroom . 3. My mother _ ( cook )some nice food now. 4. What _ you _ ( do ) now? 5. Look !They _( have) an English lesson .

19、 is drawingare singingis cookingaredoingare having变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 单项选择 1. May I speak to the headmaster? He _a meeting now. Can I take a message? A.is having B. had C. has D. will have 2.Look! Peter_TV happily, but his parents are busy in the kitc

20、hen. A.is watching B. watches C. watched D. was watching 3.Ssh, be quiet! The baby_in the next room. Oh, sorry. A.sleeps B. slept C. is sleeping D. was sleeping 4.Sam, come downstairs, please. I need your help. Sorry, mum. I _on the phone. A.am talking B. talked C. was talking D. have talkedAACA变电站电

21、气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 5.Where is your cousin? He_an English exam now. A.has B. had C. have D. is having 6.Look! Peter_TV happily, but his parents are busy in the kitchen. A.is watching B. watches C. watched D. was watching 7.May I speak to the headmaster? H

22、e _a meeting now. Can I take a message? A.is having B. had C. has D. will haveDAA变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 用现在进行时完成下列句子: 1.What_you_(do)? 2.I_(sing) an English song now. 3.What_he_(do)? 4.He_(drive) a car. 5._you_(fly) a kite? Yes,_ 6._she_(sit) in the boat

23、 now? 7.We_(play) games now.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分现在分词即现在分词即V-ing变化规则变化规则变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分3.现在分词即现在分词即V-ing变化规则：变化规则：（1）一般动词在后面直接加）一般动词在后面直接加-ing . 如如: play-playing watch-watching（2）以不发音的）以不发音的e 结尾的单词结尾的

24、单词,直接去直接去e 再加再加-ing.如如: take-taking come-coming变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 （3）以）以“ie”为重读音节结尾的单词为重读音节结尾的单词, 一般变一般变“ie”为为y后再加后再加-ing. 如：如：tie-tying ，lie-lying （4）以）以“辅音字母辅音字母+元音字母元音字母+辅音字母辅音字母”结结尾的单词，先双写末尾的辅音字母，再加尾的单词，先双写末尾的辅音字母，再加-ing 如如:run-running swim-swimm

25、ing变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 练习练习 1.写出下列动词的写出下列动词的ing 形式形式. 1.help_ e_ 3.swim_ 4.eat_ 5.give_ 6.find_ 7.sit _ 8.write_helpingcomingswimmingeatinggivingfindingsittingwriting变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分写出下列动词的写出下列动词的ing

26、形式形式read play dance write sit gethave eat look carry begin puttake swim leaveshine make sleepcut change lie readingplayingdancingwritingsittinggettinghavingeatinglookingcarryingbeginningputtingtakingswimmingleavingshiningmakingsleepingcuttingchanginglying变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电

27、站的主接线是电力系统接线组成中一个重要组成部分 三. 现在进行时与一般现在时的区别（一）现在进行时表示动作的暂时性，而一般现在时表示动作的习惯性和经常性I am watching TV now. （暂时性）I watch TV every day. （经常性） （二）现在进行时可表示短暂性动作，而一般现在时表示长久性动作。Lucy is living in Beijing.（短时间居住）Lucy lives in Beijing. （长久性居住） （三）现在进行时表示的动作可带有感情色彩，而一般现在时所表述的动作通常是事实。Youre always forgetting the most im

28、portant things. （责备）He is always helping others. （赞扬）He often helps others. （事实）变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 （四）有些动词不能用进行时，know, understand, love, like, hate, wish, want, think, hope, have, believe, agree, hear, see, notice，smell,taste等等。这些动词通常用一般现在时表示说话时发生的动作

29、。I have a lot of friends here. She wants to buy a new bike . I know the answer now.(正确） I am knowing the answer now.（错误）变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 单项选择1. I want _ homework now. A. doing B. to do C. to do my D. do my 2. Im _ a book in the room. A. watching B.

30、 seeing C. reading D. looking 3. Do they have a new car? Yes, _. A. they are B. they have C. they dont D. they do 4. He often _ supper at 6:00 in the evening. A. have B. has C. is having D. is eating 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 5. What are you doing? Im _ TV.

31、 A. watch B. watches C. to watch D. watching 6. Tom _ an English class now. A. is having B. has C. having D. have 7. Are you playing basketball? No, we _. A. isnt B. arent C. not D. dont 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 一、用括号内所给单词的适当形式填空。1. Look! There is a lot of

32、 people over there. What _they _ (do) now? 2. What _ your mother _ (do)? She is a teacher. 3. Dont sing. The baby _(sleep).4. My brother _ (not like) playing basketball, but he _ (like) playing football. 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分5. Listen! The girls _ (sing

33、) in the next room. 6. My sister _ (want) to be a teacher. 7. He often _ (swim) on Sundays. 8. Look! He _ (swim) at the pool 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 树木是人类的好朋友，它为我们付出很多，但是我们却容易忽略这位朋友，经常做出伤害它的事情。植树节将近，我校举行爱护树木征文大赛。希望借此呼吁人们爱护树木。 词数：80左右。 要点提示：1.树木对我们很重要。它提供氧

34、气给我们呼吸，净化我们的空气，吸收空气中有害人体的气体；2.呼吁保护树木。 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 Trees in our daily lives（日常生活中的树）（日常生活中的树） There are many trees and flowers in the forest. Trees help us in many ways .They keep the air cool and clean . They take in harmful gases from the air

35、 and produce oxygen for us to breathe.Trees also make our lives more convenient .In fact, we get fruit and oil from trees. But now some people still cut down the trees to make money. We should stop doing this if we dont want a world without trees. Here I want to tell everyone: our forests are in danger.So lets protect the trees!