小学四年级英语下册u.ppt

,一、知识目标：1、关于天气的四会单词2、句型：询问自己能否能做某事的句型及回答：Can I 我能吗？Yes,you can./No,you cant.询问某地天气情况及回答：Whats the weather like in?天气怎么样？Its天气,能力目标,1.能够简单介绍天气情况2.能够听懂并回答有关天气的一些问题,情态动词can的用法Can I go outside now?我现在可以出去吗？Can I have some soup?我可以喝一些汤吗？Can 是一个情态动词。情态动词有词义，但不能单独作谓语，必须和其他动词一起构成谓语，情态动词没有人称和数的变化，情态动词后面必须接动词原形。例如：I can sing English.She can dance.,情态动词can的基本句型（1）肯定句：主语+can+动词原形+其他。例如：He can swim.他会游泳。(2)否定句：主语+cant+动词原形+其他。例如：He cant swim.他不会游泳。（3）一般疑问句：Can+主语+动词原形+其他？肯定回答：Yes,主语+can.否定回答：No,主语+cant.例如：Can he swim?他会游泳吗？Yes,he can.是的，他会。No,he cant.不，他不会。,即学即用1.Mike can_.A.is B.swim C.dancing2.I _speak Engilsh.A.am B.is C.can3._I use your ruler?A.Do B.Am C.Can4.Can I sit here?Yes,you_.A.can B.are C.cant5.Can I go outside?No,you_.A.can B.cant C.cannt,单词宝库,cold 寒冷的,hot 炎热的,cool 凉爽的,反义词,warm 温暖的,反义词,weather 天气,report 报告,cold,hot,warm,cool,Lets play the game,Who is missing 谁消失了,Who is missing,Golden eyes,Who has good memory?,Golden eyes,Who has good memory?,Whats the weather like today?Its,Hows the weather today?,Hows the weather today?,Hows the weather today?,snowy,Hows the weather today?,snowy,Hows the weather today?,snowy,Hows the weather today?,snowy,Hows the weather today?,snowy,windy,Hows the weather today?,snowy,windy,rainy,Hows the weather today?,snowy,windy,rainy,Hows the weather today?,snowy,windy,rainy,Hows the weather today?,snowy,windy,rainy,sunny,Hows the weather today?,早上好。这里是天气预报。今天北京的天气是温暖的。,北京温暖的,哈尔滨寒冷的,炎热的（烫的）,凉爽的 拉萨,香港,Lhasa,Its cool in Lhasa.,cool,Beijing,warm,Its warm in Beijing.,Harbin,cold,Its cold in Harbin.,(1)按要求改写句子,Whats the weather like?(写出同义句)Hows the weather?What about Beijing?(写出同义句)How about Beijing?Its cold in Beijing.(改为一般疑问句)Is it cold in Beijing?Its sunny.（对画线部分提问）Whats the weather like?,绿色圃中小学教育网,绿色圃中小学教育网,