Unit6SectionAGrammarFocus-3c课件--人教版英语七年级下册 (1).pptx
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1、 What is he/she doing? He/She istalk on the phoneread a newspaperexerciseWhat is she doing?She is cleaning.What is he doing?He is reading a newspaper.What are they doing?They are talking on the phone.What are they doing?They are listening to music. What is he/she/are they doing? He/She is/Theyredo t
2、he dishesuse the computerclean the roomGrammar FocusWhat are you doing?Im watching TV. Whats she doing?Shes washing her clothes.What are they doing?Theyre listening to a CD.Are you doing your homework?Yes, I am./No, Im not. I am cleaning my room. Is he reading a newspaper?Yes, he is./No, he isnt. He
3、s playing basketball.Are they using the computer?Yes, they are./No, they arent. Theyre exercising.Observe the sentences and summarize the usage of the present progressive tense.1.含义:表示现在正在进行或一含义:表示现在正在进行或一 段时间正在进行的动作。段时间正在进行的动作。2.构成:构成:be (am,is,are)+V-ing 现在进行时的现在进行时的含义含义与与构成构成4.动词动词ing构成规则构成规则1、一般
4、在动词词尾、一般在动词词尾ing work go working going2、以不发音字母、以不发音字母e结尾的,结尾的,去去eing write make writing making3、重读闭音节,以一个、重读闭音节,以一个辅音字母结尾的,先双写辅音字母结尾的,先双写这一字母,再这一字母,再ing put swim putting swimming现在进行时的肯定句式现在进行时的肯定句式1.1.肯定句肯定句: : 主语主语+ +bebe( (am,is,are)am,is,are) + +v-ingv-ing+ +其它其它. . 如如: I : I amam read readingin
5、g a book. a book.2.否定句:直接在否定句:直接在be(am,is,are)后加后加not. 如:如:I am writing. I am not writing.注注:缩写缩写is not=isnt are not=arent现在进行时的否定句式现在进行时的否定句式1.I am doing my homework . I am not doing my homework . 2.He is watching TV .He isnt watching TV .3.Tom is swimming. Tom isnt swimming.4.They are singing. The
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