课件11张PPT。科普版小学英语五年级上册Lesson 3第一课时Warm upDo you know them?I have a nice TV.a TVPresentationa computerI have a computer.PresentationA computer has a keyboard.keyboardPresentationDo you have a computer?Does the computer have a keyboard?Does a TV have a mouse?a mousePresentationWhat’s this?No, it doesn’t.Does a computer look like a TV?
Does a TV have a keyboard?
Does a computer have a mouse?
Does the cat catch the mouse? Read and answerYes, it does.No, it doesn’t.Yes, it does.No, it doesn’t.Role- playOh! You have a nice TV.No, it’s not a TV. ….Summary陈述句变一般疑问句分两种情况, 主语是三单人称的, 变疑问在句子开头加Does, 并把动词三单变原形；主语不是单三人称的，变疑问，直接在句子开头加Do 就行了。主语是三单人称的一般疑问句的回答：
肯定回答: Yes, 第三人称单数 does.
否定回答: No, 第三人称单数 doesn’t.Homework1.给爸爸妈妈介绍自己家的电脑的keyboard和mouse。
2.把Let’s talk的内容读给爸爸妈妈听。
The End课件12张PPT。科普版小学英语五年级上册Lesson 3第三课时Warm upWho is my friend?Is Yao Ming tall?tallPresentationYes, he is.nosehandmouthfooteyeearPresentationGameI have a friend.Who is she?...Is she …?Guess!Presentationwritewrite an e-mailPresentationIs Eve’s friend tall?
Does he have legs?
Can he sing?
Who is Eve’s friend? Read and answerNo, he isn’t.No, he doesn’t.Yes, he can.A computer.Role- playI have a new friend. I play with him every day.Who is he?Have a guess.Summary主语是第三人称单数（且句子含有has）的陈述句变否定句分两种情况：
1.直接在has后加no，如：He has no legs.
2.在has前加doesn’t，原句中的has变have，如：He doesn’t have a mouth.Homework1.和爸爸妈妈做游戏，让他们猜一猜你最喜欢的家人。
2.把Let’s Read的内容读给爸爸妈妈听。
The End课件12张PPT。科普版小学英语五年级上册Lesson 3第二课时Warm upLet’s singa TVPresentationa computerPresentationkeyboardPresentationNo, it doesn’t.Does a TV have a keyboard?Does a TV have a mouse?a mousePresentationNo, it doesn’t.a screenPresentationDoes a TV have a screen?Yes, it does.Listen and chooseFind the differencesSummary1.主语是三单人称的陈述句, 变疑问在句子开头加Does, 并把动词三单变原形。肯定回答: Yes, 第三人称单数 does. 否定回答: No, 第三人称单数 doesn’t.
2. have和has的区别：
两者都表示“有”，当主语是I,you,we,they时用have，当主语是第三人称单数：he,she,it,人名，动物，物品时用has.Homework1.把歌曲“Two little eyes”唱给爸爸妈妈听。
2.把Let’s learn的五个新单词写一写，比比谁的最漂亮。
The End
