译林版初一英语上册- 7A 现在进行时1（牛津）.ppt

现在进行时Present Continuous Tense教学重、难点：1.现在进行时的的结构及运用2. 现在分词的构成现在进行时表示说话时正在发生的动作或现阶段在进行的行为.now, look, listenI am writing a letter now.Look!They are waiting for you.1. We _( work ) on a farm now.2. Listen! Someone _ (knock) at the door.3. Lucy _( not read) at the moment.4. *Where are they? They _ (run) outside.(am/is/are+doing)are working is knockingisnt readingare runningTalk about the people in the picture.vWhats he doing?vHes reading.* What are they doing?*They are playing basketball. What are they doing?They are running.What are they doing?They are eating meat.They are riding a bike.What are they doing?What is he doing?He is eating a hamburger.What is he doing?He is playing the guitar.What is she doing?He is playing football.She is playing tennis.What is he doing?What is the cat doing?It is sleeping.What is the elephant doing?It is drinking water.She readisingnow.He eatisingnow.Listen! The bird is singing.Look! The boy is play soccer. ingThey watch TVareingnow.The man runisningnow.The boy swimismingnow.They dancearenow.ing知识要点：一.现在进行时的定义: 现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.二.现在进行时的谓语结构:am/is/are +现在分词am/is/are 在现在进行时句子谓语结构中作助动词用，无词义。

am/is/are的选择运用由句子的主语人称或数决定A: I am watching Tv at home.B: Dave is cleaning the floor.C: The students are seeing a movie.三.现在分词的构成:(1)一般动词在后面直接加ing,如：read-reading; play-playing; (2)以不发音字 母“e”结尾的单词，去掉“e”后加ing,如write-writing; have-having; （3）以“ie”为重读音节结尾的单词，一般变“ie”为y 后再加ing,如： tie-tying; lie-lying;(4)“辅音字母元音字母辅音字母”结构结尾的重读闭音节单词加写后面的辅音字母后加ing; 如：run-running; swim-swimming; beginsitput get runlet swim shop stop cut plan chat写出下列词的现在分词：1.make 2.open3.clean 4.carry5.lie 6.begin7.see 8.get 9.stop 10.play Exercises:makingopening cleaningcarryinglyingbeginningseeinggettingstoppingplaying四.现在进行时的形式转换：1.将一个现在进行时的肯定句变为一般疑问句时，将句中的is或are提到句首。

Eg: Steve is talking to his teacher.- Is Steve talking to his teacher? I am singing.- Are you singing?2.将现在进行的肯定句变为否定句时，在be动词后面加上not. Eg: Steve is talking to his teacher -Steve isnt talking to his teacher.The children are eating some apples at my home.-The children arent eating any apples at my home.1. Look! Some students of Class 5 _ football on the playground. A. are playing B. is playing C. were playing D. was playing2. -Is Tony playing computer games now? -No, he _. He is doing his homework. A. am not B. amnt C. isnt D. arent3. -What _ our daughter _? -She is cleaning the floor. A. does; do B. did; do C. will; do D. is; doing4. -What are you doing? - I _ music at the moment. A. listen to B. am listening to C. listened to D. was listening to5. (08柳州中考) -Tom, come and clean the floor? -Sorry, mum. I _ an email. A. write B. am writing C. was writing D. will write解题技巧： 人称与be动词搭配 (I am) 对话理解确定时态6. (08北京中考) Dont turn on the TV. Grandma _ now. A. is sleeping B. will sleep C. slept D. sleeps解题技巧：关键词 now 单数名词(grandma) + is7. (08上海中考) Look! Janes grandmother _ with some aged people in the park. A. dances B. danced C. is dancing D. was dancing解题技巧：关键词 look 单数名词(grandmother) + is1. Lucy, what _ Lily _(do)? I dont know.2. Its eleven oclock, and I _(lie) in my bed.3. Where _ they _(go)? They are going to the museum.4. Look! The boys _(run) on the playground.5. Listen, somebody _(sing) in the room.6. Are you doing homework? No, I _(be).7. She _(not dance) at the moment.用所给动词的适当形式填空五.现在进行时的判断：（1）一般句中用到表示“在现在”的时间状语，如：now, right now, at the moment 或Its+几点钟句型，常判断用现在进行时。

Lets go fast .Mr. Wu is waiting for us now.Its six oclock.The children are playing basketball.(2)句中用到“Listen！” “Look!” “Keep quiet” “Dont make noise!”等提示语时，表明说话间另一个动作正在进行，这时，句子也要用现在进行时Keep quiet ! The teachers are talking in the office. (3)现在进行时常用来表示在当前一直做着的动词，这时句中常用these days ,all the time等时间状语4)通过上下文句义，表明某一动作是现在或说话瞬间发生的动作，这个句子也要用现在进行时态Eg:Is your mother at home?Yes, she is. She is watching Tv .Where is Tom?He is running on the playground .（5）.表示状态和感觉的词，一般不能用于进行时态，因为他们不能表示正在进行的动作 Look! The boat looks like a duck. Now ,I want to go to Beijing.（6）.对于无法持续动作的词，一般常用现在进行时表示将来。

如：go come leave start arrive move 等 Eg:We are leaving on Friday.Im coming.Exercises:根据句意，用所给动词的适当形式填空：（1）Listen, Mr. Wu on the phone (talk). (2) I soccer now. Im walking (not play) (3) Is your father at home? Yes ,he is .He a TV show (watch) (4)They to go to the shop now. (want ) (5) you for your friends? (wait) No, Im not.is talkingam not playingis watchingwantAre waitingExercises:(6)Steve is very busy . He a letter (write)（7）Dont speak! My father (sleep). (8) Its twelve oclock. The students_(have) lunch. (9）Dont go out! It outside. (rain) (10)Why are you standing here , Dave？ I for Scott .(wait) is sleepingare havingis rainingam waitingis writing。