四年级上册英语课件Lesson 17 (共24张PPT)冀教版.ppt

1、Lesson 17 Im Lost!Unit 3 Lets Go!课前热身Greeting and free talk：课前热身复习回顾(1)Review the sentences:How do you go to school?I go to school by(2)做拍手游戏,Review the numbers:one to thirty.话题导入What is it?What colour is it?light/lat/(名词)灯red/red/(名词)红色;(形容词)红色的12新词展示yellow/jel/(名词)黄色;(形容词)黄色的3green/grI:n/(名词)绿色;(形

2、容词)绿色的4新词展示词汇巩固What colour is it?课文原文1.Stop or go?stop(动词)停下,停止start/begin 开始重点词汇反义词重难点探究The child stops crying.那个孩子停止了哭声。stop doing sth.停止做某事bus stop公共汽车站短语短语例句stop还可以作名词,意思是“(公共汽车、火车)站”。拓展I like red.我喜欢红色。重点词汇重难点探究red/red/(名词)红色;(形容词)红色的red的首字母大写时,表示姓氏“里德”。yellow/jel/(名词)黄色;(形容词)黄色的例句拓展例句例句yellow的

3、首字母大写时,表示姓氏“耶鲁”。yellow light 黄灯短语拓展He likes yellow best.他最喜欢黄色。green/grIn/(名词)绿色;(形容词)绿色的 green tea 绿茶重点词汇短语重难点探究green的首字母大写时,表示姓氏“格林”。Her dress is green.她的裙子是绿色的。light/lat/(名词)灯短语例句复数形式lights例句 The lights are bright.灯光很亮。拓展traffic lights交通灯重点句型重难点探究or是表示选择关系的连词,可连接并列的名词、形容词或句子,意思是“或”“还是”,这里句子后加问号,表

4、示疑问的语气,希望对方在两者中做出选择,这个还是那个。Stop or go?停还是行?详解例句Do you like red or green？你喜欢红色还是绿色？重点句型重难点探究or的用法1.or 用于选择疑问句,用于提出两种或两种以上的情况,要求对方选择一种情况回答。回答时不能用yes或no,而应该直接选择其一作答。如:Are you a teacher or a student?你是个老师还是个学生?Im a student.我是个学生。2.or还可作为连词(用于否定句,提出两种或多种事物时),意思是“也不”。如:I cant read or write.我既不会读也不会写。拓展课文原

5、文2.Where is the restaurant?happy(形容词)幸福的;高兴的sad 悲伤的重点词汇反义词重难点探究Are you happy?你高兴吗？happy birthday生日快乐Well,lets go there.好吧，让我们去那儿吧。例句短语例句well(限定词)哎呀,啊;好啦well 在句首是语气词重点词汇用法重难点探究a.用以表示惊讶【例句】Well,you do surprise me!哟,你真吓了我一跳!b.用以表示宽慰【例句】Well,here we are at last!好啦,我们终于到了!c.在交谈的停顿后,用以接续或改换话题【例句】Well,tomo

6、rrow we will go to the park.好啦,明天我们要去公园。You can go there by bus.你可以乘坐公共汽车去那里。此句表示某人可以乘坐某种交通工具去某地,这也是指路的一种方式。句型结构:主语+can go there by+交通工具.重点句型详解重难点探究重点句型重难点探究这里的there也可以替换为别的地点,如:go to school,go to work,go to the zoo。there和here为副词,跟go 连用时不加to。注意拓展课文原文3.Lets do it!课文原文4.Letters and sounds Excuse me.I

7、am lost.Where is?Go straight and turn left/right at Practice课堂互动Where is the restaurant?一、单项选择。（）1.Where is the restaurant?Its far from here.You can there by taxi.A.go to B.be C.go（）2.Come on,we will be late.A.and B.thenC.or（）3.You must stop.The traffic light is.A.redB.greenC.blue（）4.You can go.The

8、light is.A.yellow B.greenC.red 巩固练习（）5.I go to school bus.A.take B.by C.on（）Youre welcome.（）Sorry.I cant get what you say.Can you say it again?（）Excuse me,can you tell me the way to Happy Restaurant?巩固练习（）Thank you very much.（）Of course.Go straight,turn left at the traffic lights,and then you will see it on your left.（）Well.I will go there with you.二、给句子排序。二、本课时学的重点内容如下：Excuse me.I am lost.Where is the?traffic lightsRed is stop!Yellow is wait!Green is go!回顾小结一、本课时学的重点词汇如下：light(灯)red(红色)green(绿色)yellow(黄色)24Homework 1.完成本课配套练习。课后作业2.能准确的指出某地如何到达。