2021年六年级英语下册知识讲义-说一说（Module,8）-外研版（三起）

1、小学英语 说一说（module 8 ） 学习目标 掌握句子、句型 why do you./ why are you.的结构用法，能用它们询问原因。 掌握句子、句型because.，能用它回答有关原因的提问。重点相关句子、句型的结构和用法的掌握。难点在实际情景中运用句子、句型。 主要考查学生询问事情的原因和回答的能力。 考点常出现在单项选择、完形填空、阅读理解等题型中。知识梳理 【课文朗读】 sam came into the classroom and saw some friends there. they had cups on their heads. “why do you have

2、cups on your heads why are you laughing” he asked. daming told him the story. they planed to play a baseball game. amy asked lingling to bring some caps for the game. but lingling brought some cups. they all laughed. then they put the cups on their heads and laughed more. sam smiled. “its easy to ma

3、ke mistakes with english words,” he said. “i make lots of mistakes with chinese words too. now look whats in my bag. ” sam opened his bag. there were baseball caps! “hooray!” everyone shouted. they put the caps on. then they went to the playground and played baseball together. amy: why are you weari

4、ng a raincoat tom: because its going to rain. daming: why are you wearing a hat lingling: because its going to be sunny. daming: why are you wearing a t-shirt sam: because im going to play baseball. mum: why are you wearing a dress amy: because im going to the theatre 【句子析】 why do you have cups on y

5、our heads为什么你们的头上有杯子？ why are you laughing为什么你们在笑？ 这是两个以why开头的特殊疑问句，用于询问对方做某事的原因。句型结构为“why do you + 动词原形(+其他) ”(一般现在时)或“why are you +动词ing形式(+其他)”(现在进行时) why do you stand there why are you crying 询问原因的句型还可以是why did you + 动词原形(+ 其他)？ 如 why did you sit under the tree 若主语是第三人称单数 she/ he/人名，则do变为does，ar

6、e 变为is。即why does he/ she + 动词原形(+其他) why is he/ she + 动词ing形式(+其他) why did he/ she + 动词原形(+其他) 询问原因的句型中，助动词do/ does 后要接动词原形，be动词后面要接动词的ing形式。 why do you _ cups on your heads a. had b. have c. has 答案b 思路分析why do you后接动词原形。 why are you _ a. laughing b. laugh c. to laugh 答案a 思路分析why are you后接动词的ing形式。w

7、hy are you wearing a raincoat 你为什么穿着一件雨衣？ because its going to rain. 因为将要下雨了。why are you wearing a t-shirt 你为什么穿着一件t恤衫？ because im going to play basketball. 因为我要打篮球。why are you wearing.？是询问对方为什么穿某种服饰的句型，wear表示“穿、戴”，后面直接接服饰类名词。答句一般由because引导，because是“因为”的意思，后面接一个陈述句。文中出现的答句运用将来时态，句型结构为“because im/ it

8、s going to + 动词原形(+ 其他)”。why are you taking a bag because im going to go to school. because引导的陈述句还可以是一般现在时或一般过去时，即because + 主语+ 动词原形/单三形式(+其他). because + 主语+ 动词过去式(+ 其他). 答句由because引导。 its/ im going to 后接动词原形。why are you wearing this coat _ im going to climb hills. a. so b. because c. then 答案b 思路分析回

9、答原因用because引导。【情景交际】 与家人、朋友、同学见面时询问对方为何要做一件事。anna在商场遇见了好朋友susan，她们高兴地聊了起来，忽然，她们发现了一个伤心的小男孩请用所给动词的适当形式填空，使对话完整。anna: hi，susan！why are you _1_(stand) here susan: because im _2_(wait) for my sister. why do you _3_(come) here anna: because i want to _4_(buy) a dress. why are you _5_(wear) a coat susan:

10、because its going to _6_(cold). at this time, they see a boy crying . anna: why are you _7_(cry) boy: because i _8_(lose) my way. anna: let me _9_(help) you. whats your mothers telephone number boy: its anna: ok. shes going to _10_(come) in 10 minutes. boy: thank you! 答案standing, waitin

11、g, come, buy, wearing, be cold, crying, lost, help, come 思路分析现在进行时中(be动词后)动词用ing 形式，1、2、5、7 一般现在时中(助动词do后面)动词用原形或单三形式，3 一般过去时中动词用过去式，8 一般将来时中(be going to后)动词用原形，6, 10 祈使句中动词用原形，9 want to 后接动词原形，4 即学即练 单项选择。( ) why do you _ so much food a. takes b. taking c. take ( ) amy asked lingling to _ some caps

12、 for the game. a. bring b. brought c. brings ( ) its easy _ mistakes with english. a. to make b. to makes c. made ( ) why are you walking so fast _ its going to rain. a. so b. because c. then why are you _ a. shout b. shouting c. shouted 答案caabb 思路分析 why do you接动词原形。 ask sb. to do sth. 做某事很容易 easy t

13、o do sth. 回答原因用because引导。 why are you + 动词ing形式. 同步练习 （答题时间10分钟） 一、单项选择。( ) helen keller in 1880. a. be born b. is born c. was born ( ) she lived _ be 8 a. in b. at c. to ( ) her teacher drew _ in her hand. a. pictures b. names c. letters ( ) lei feng is a model us. a. to b. for c. with ( ) he was b

14、orn _1970. a. on b. in c. at 二、给下面的问句找出相应的答句并连线。 where are you going a. because im happy. why are you laughing b. id like some fish. what would you like c. im going to school. whose cap is it d. he went there by bus. how did he go there e. its tonys. 三、连词组句。 she see hear couldnt and she couldnt _ herself wrote book about she a _ blind helen keller is for people role a model _ over went she the world all _ was in