仁爱英语七下现在进行时.ppt

语法专题现在进行时1.现在在进行行时一、含一、含义：现在在进行行时表示表示现在（即在（即说话人人说话的的时刻）刻）正在正在进行的行的动作或正在作或正在发生的事情，生的事情，现在在进行行时的的标志性志性词语有有now,look,at the moment,listen等等2.二、二、现在在进行行时基本基本结构构主主语+be动词+动词的的现在分在分词IamHe/SheWe/You/They isarewriting.speaking.running.结结构构构构:be+doing (be要根据主要根据主语作人称和数的作人称和数的变化化)3.用用现在在进行行时完成下列句子完成下列句子:1.What _ you doing?2.I_ singing an English song.3.What _she drinking?4.He_ driving a car.5._ you flying a kite?Yes,_.6._ she sitting in the boat?7._you asking questions?8.We _ playing games now.areamisisAre I am IsAreare4.现在在进行行时现在分在分词的构成的构成规则：1.一般在一般在动词词尾加尾加-ing，如如：read-reading 2.以不以不发音音e结尾，去尾，去e加加-ing，如如：write-writing 3.以重以重读闭音音节结尾的尾的动词，末尾只有一个，末尾只有一个辅音字母，音字母，应先双写先双写这一字母，再加一字母，再加-ing。Eg：swim-swimming run-running cut-cutting shop-shopping sit-sitting特殊特殊变化化：lie-lying平躺，平躺，die-dying死亡死亡5.请写出下列写出下列动词的的现在分在分词speakplaytalksinglistendowritedrivedancesitputswimputrunspeakingplayingtalkingsinginglisteningdoingwritingdrivingdancingsittingputtingswimmingputtingrunning6.现在在进行行时现在在进行行时的四种句式：的四种句式：1.1.肯定句肯定句主主语+be+doingEg:I am doing my homework.2.2.否定句否定句主主语+be+not+doingEg:I am not doing my homework.3.3.一般疑一般疑问句句bebe提到句首（注意人称提到句首（注意人称变化）化）Eg:Are you doing your homework?4.特殊疑特殊疑问句：特殊疑句：特殊疑问词+一般疑一般疑问句句Eg:What are you doing now?7.句型句型句型句型转换转换1.肯定句肯定句转换成否定句成否定句,要在要在 be 后加后加 not 构成构成eg:We are reading English now.We are not reading English now.2.陈述句述句转换成一般疑成一般疑问句句,把把be动词提到句首提到句首eg:The student is drinking.Is the student drinking?3.陈述句述句转换成特殊疑成特殊疑问句句,由由“疑疑问词+一般疑一般疑问句句”构成构成eg:He is working.What is he doing?8.句型句型转换：1.They are cleaning the house.（一般疑（一般疑问句）句）3.Tom is singing.（改（改为否定句）否定句）4.Kate is_（划（划线提提问）5.She is sitting _（划（划线提提问）putting on her new skirt.near the window.Are they cleaning the house?Tom is not singing.What is Kate doing?Where is she sitting?9.Some exercises.用用现在在进行行时改写下列句子改写下列句子.1.She sits under the tree.She is sitting under the tree.2.I eat a hamburger and some fruit.I am eating a hamburger and some fruit.3.They clean the classroom They are cleaning the classroom.10.1.The child _the windows now.(open)2.The boy _ a picture now.(draw)3.Look!She _ a book.(read)4.I _an e-mail to my pen pal now.(write)5.You _ your homework at home now.(do)6.We _ at school now.(run)7.They _ TV now.(watch)is openingis drawingis readingam writingare doingare runningare watchingFill in the blanks:Fill in the blanks:11.用所用所给动词的适当形式填空的适当形式填空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.isis flyingflyingis singingare playingis workingis watching12.Thank you Bye-bye!13.6.Kitty_(dance)with her friends.Cant you see?7.-Where is Millie?-She_(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).10.Dont talk with me,please.I _(do)my homework.is dancingis chattingisdoingis drawingAresingingare shoutingam doing14.