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Unit 4 GrammarListening to a song to fill in the blanks.Singing:What(1)_you_?(2)_What(3)_you_?_(4)_cooking,cooking,cookingWhat(5)_you_?(6)_en,yummywhatareyoudoing?_(7)_ are doingIm watching TVIm watching TV are doingIm cooking.are doingIm eating,eating.Im washing my hands.ThePresentContinuousTense现在进行时基本结构现在进行时基本结构lbe+V-ingl(am,is,are)Lookatthepicturestoanswerthequestions.Henry is doing his homework.What is Henry doing?She is listening to music.What is she doing?What are they doing?They are reading books.He is doing his homework.She is listening to music.They are reading books.What are they doing?What is he doing?What is she doing?肯定句肯定句否定句否定句一般疑问句一般疑问句特殊疑问句特殊疑问句结构结构?现在进行时句型现在进行时句型肯定句：主语肯定句：主语+be+be 现在分词现在分词+其它其它Sheisswimminginthesea.否定句：在否定句：在be动词后加动词后加notSheisnotswimminginthesea.一般疑问句：把一般疑问句：把be动词提前动词提前Issheswimminginthesea?特殊疑问句：特殊疑问词特殊疑问句：特殊疑问词+一般疑问句一般疑问句Whatisshedoinginthesea?Whereissheswimming?Sentencepatterntransformation句型转换句型转换变否定句变否定句变一般疑问句变一般疑问句变特殊疑问句变特殊疑问句变否定句变否定句My dad is fishing now.My dad isnt fishing now.They are eating some hot dogs.They are not eating any hot dogs.变否定句变否定句变一般疑问句变一般疑问句Tom is playing basketball now.Is Tom playing basketball now?They are speaking in English.Are they speaking English?变一般疑问句变一般疑问句变特殊疑问句变特殊疑问句Sam is eating an apple.What is Sam eating？变特殊疑问句They are drinking water.Who are drinking water？现在进行时定义现在进行时定义定义：定义：现在进行时态表示现在现在进行时态表示现在(说话瞬间说话瞬间)正在进行或发生的动正在进行或发生的动作作,翻译成翻译成正在做某事正在做某事。Look!Thatdogisbarking.Heislisteningtotheradionow.Listen!Sheissinging.these days at this time at the moment现在进行时的标志词look,now,listen2.现在进行时态还可以表示当前一段时间现在进行时态还可以表示当前一段时间内的活动或现阶段正发生的事情，翻译内的活动或现阶段正发生的事情，翻译成成一直在做某事一直在做某事。Weareworkingonafarmthesedays.Iamwritingabookatthistime.TheyarestayingatPetershouseatthemoment.Letsplayagame:Who is the guessing champion?Are they+v-ing?Is it/he/she+v-ing?Is the pig _?Yes,it is.No,it isnt.What is it doing?It is skatingIs the girl?Yes,she is.No,she isnt.What is she doing?She is eating noddlesIs the boy?Yes,he is.No,he isnt.What is he doing?He is playing the guitarAre they?Yes,they are.No,they arent.What are they doing?They are dancingHowtochangetheformsofpresentparticiple.现在分词的变化规则现在分词的变化规则现在分词变化规则直：直接加ing（do-doing talk-talking study-studying play-playing fishfinshingthink-thinking）去：去末尾不发音的e加ing（leave-leaving have-having dance-dancing ride-riding comecomingmake-making）双：重读闭音节双写尾字母加ing（sit-sitting forget-forgetting run-running begin-beginning swimswimmingput-putting）改：把ie变为y加ing（die-dyinglie-lying躺躺tie-tying系，栓）isdoingis playingare playingis fishingis swimmingare lyingis eatingis playingam talkingWe cannot use some verbs in the present continuous tense.?现在进行时的特殊用法：D.有些动词（状态动词不用于进行时态）4.表示拥有的动词want,belong to（属于）1.表示知道或了解的动词:believe,know,understand 2.表示喜爱或不喜爱hate,like,love,prefer 3.表示感官的动词 see smell sound taste is ringingknowam thinkingpreferGrammar exercisesmellsareeatingam eatingDo wantGrammar exercise注意：注意：come，go，leave，more，arrive进行时表将来进行时表将来Summary现在分词变化：直，去，双，改现在分词变化：直，去，双，改状态动词不能用于进行时状态动词不能用于进行时eat-begin-leaveliecry-eatingbeginningleavinglyingcryinguse-usingstop-stoppingstudy-die-put-have-wait-get-studyingdyingputtinghavingwaitinggetting现在分词变化形式抢答：现在分词变化形式抢答：dig-diggingcarry-carryingYou act I guess你比划我来猜:Rule swimmingbrushing teethdancingwashing hair reading bookslistening to musicplaying the piano Student A:Use body language to act one of six actionsStudent B:To guess ,e.g.Ask:Is she/he dancing?Other students:Answer Yes,she/he is or No,she/he isnt Correctthemistakes(改错改错)Look!Simon and I having a birthday party.There are many friends at our party.Lucy and Lily is siting on the floor.They are play with Mary.Some of my friends is singing and danceing._arehaving_aresitting_playing_are_dancing
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