小学五年级英语科普版精品课件

,Lesson3 A computer has a keyboard.,email:,Eva,九年义务教育小学教科书科普版小学英语第5册,Sit down. Dont stand up. Close the door.Dont close the window. Listen to me.Dont talk. Look at the blackboard.Dont look at your book. May I come in? Yes，please. 6.Go to your seat and sit down please. 7.Dont be late next time.,坐下。别站起来。 关门。别关窗户。 听我讲。别说话。 看黑板。不要看你们的书。 我能进来吗？请进。 上位去坐下。 下次别迟到了。,Review,8.a fine day 9.do the right thing. 10.Dont run on the grass. Keep off the grass. 11.Dont litter. No littering.,8.一个好天气 9.做正确的事 10.别在草地上跑。 （请勿践踏草坪） 11.别乱扔垃圾。 （禁止乱扔垃圾）,Review,I have long ears. I have red eyes.,I have a short tail. Im white.,I like carrots.Who am I? Can you guess?,I have two friends. (an old friend,a new friend),I am a rabbit. I have long ears. I have red eyes. I have two hands. I have a head. I have a nose. I have a mouth. I have a short tail.,head,ear,eye,nose,mouth,hand,headhed ear i eye ai nosenuz mouthma hand hnd,tall t:l,short :t ,This is my old friend.,Its a rabbit.,It has long ears.,It has red eyes.,It has a nose.,It has a mouth.,email i:meil ,write rait ,TV,computer kmpju:t ,keyboard ki:b:d ,mouse maus 复数：mice,screen skri:n,Does a computer have a keyboard? Yes, it does.,Does a computer have a screen? Yes, it does., Does a computer have a mouse? Yes, it does.,A computer _ a keyboard. A computer _ a screen. A computer _ a mouse.,has,has,has,Does a TV have a mouse? No, it doesnt.,Does a TV have a screen? Yes, it does.,Does a TV have a keyboard? No, it doesnt.,A TV _ a keyboard. A TV _ a screen. A TV _ a mouse.,doesnt have,doesnt have,doesnt have,我有长长的耳朵。（Translate my sentence）,I have long ears. 否定句：I dont have long ears. 一般疑问句：Do you have long ears? 肯定回答：Yes, I do. 否定回答：No, I dont. Take a note： 否定句dont放在主语后面 一般疑问句Does放在主语前面,改写句型,I have long ears.（用It代替I做主语） It has long ears. 否定句：It doesnt have long ears. 一般疑问句：Does it have long ears? 肯定回答：Yes, it does. 否定回答：No, it doesnt Take a note: 否定句dont放在主语后面 一般疑问句Do放在主语前面,Grammer,老板boss 总经理CEO 秘书secretary 钟点工staff,实意动词,情态动词(can,may),be动词(am,is are),助动词do,改写否定句，一般疑问句,首先看句中是否有be动词（看总经理在不在） 句中有be动词 否定句：be动词后加not am not，is not=isnt, are not=arent 一般疑问句：be动词提前,2.然后看句中是否有情态动词（总经理不在，看秘书在不在） 句中有情态动词 否定句：情态动词后加not can not=cant 一般疑问句：情态动词提前,3.最后请助动词do帮忙（总经理秘书都不在，请钟点工帮忙） 既没有be动词也没情态动词 否定句：(dont,doesnt)放在主语后 一般疑问句:(Do,Does)放在主语前,Take some exercises(练习),I am reading a book. 否定句： 一般疑问句： 肯定回答： 否定回答： He is flying a kite.（改为否定句，一般疑问句，对划线部分提问）,I am not reading a book.,Are you reading a book?,Yes,I am. No,Im not.,Jill can ride a bike. 否定句： 一般疑问句： 肯定回答： 否定回答：,Take some exercises(练习),Jill cant ride a bike.,Can Jill ride a bike?,Yes,he can. No, he cant.,Mr. Green can ride a horse. (改为否定句，一般疑问句 肯定回答，否定回答）,1.I have a computer. 否定句： 一般疑问句： 肯定回答： 否定回答： A computer has a keyboar. (改为否定句，一般疑问句 肯定回答，否定回答）,I dont have a computer.,Do you have a computer?,Yes, I do. No, I dont,Take some exercises(练习),Lets talk,Q: Oh! You have a nice TV. E: No, its not a TV. Its a computer. Q: But it looks like a TV. E: Yes. But a computer has a keyboard. Q: Whats that? E: Its a mouse. Q: Does a TV have a mouse, too? E: No, it doesnt. C: Where is the mouse? Let me catch it. E: Look! Here it is!,Who is my new friend?,I have a new friend. I play with him every day. Who is he? Have a guess.,No,he is short. He has no legs. have no legs have三单has,Is he tall or short ?,Does he have ears and eyes? No, but he has a big body. Does he have a mouth? No, he doesnt have a mouth,but he can sing.（改否定句，一般疑问句）,write an email,Take some exercises(练习),A computer has a keyboard. 否定句： 一般疑问句： 肯定回答： 否定回答：,Read in different voice,Happy angry sad,1. Chant and repeat or read like a robot. 2. throw the dice and make sentence,Activities,当主语是第三人称单数时，后面的动词要用三单形式。 三单形式的变化规则： 1、大多数动词在词尾加“S”在清辅音后发音为s，在浊辅音及元音后发音为 z。如： stopstops s ; makemakes s readreads z ; playplays z 2、以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读iz 如：flyflies z； carrycarries z studys