Unit 2 Helping at home（复习课件）英语外研版三起四年级上册（新教材）

外研版三起·四年级上册 Unit2 Helping at home . Contents Sounds Words & phrases Sentences Tips Practice ✔ ✔ ✔ ✔ ✔ Sounds ✎ Language points 类别 内容 示例 字母发音 字母组合"wh"发/w/音 wash, work, water 字母发音 字母"y"发/j/音 yard, yes, you 语调 用"Can you..."提出请求时用升调 ↗Can you help me? ✎ Language points 知识总结： 字母组合"wh"通常发/w/音 例：wash（洗）work（工作）water（水） 字母"y"在单词开头通常发/j/音 例： yard（院子），yes（是的），you（你）。 技巧： 记住"wh"发音时，嘴唇要圆起来，像吹蜡烛一样。 "y"发音时，舌头轻轻抵住下齿，发出类似“耶”的音。 Words & phrases s ✎ Language points 四会（要求听、说、读、写 ） wash 洗  sweep 扫，打扫  floor 地板，地面 chore 家庭杂务   may 可以（表示允许某人做某事） pig 猪 cow 母牛；奶牛  cut 修剪  grass 草，青草 tidy 整理，收拾  easy 容易的  clean 清洁的，干净的 job 任务，事情  dirty 脏的  7 s ✎ Language points 四会（要求听、说、读、写 ） desk 书桌，写字台 wall 墙  again 再一次  also 除此之外，还 sometimes 有时  feel 感受到，觉得  tired 困倦的；疲惫的，累的 helpful 有用的，有帮助的  warm （使）变暖和；温暖的  water 给…… 浇水 8 s ✎ Language points phew 啊，唷，唉  dish 盘子，碟子  feed 喂养，给…… 食物 rubbish 垃圾  to-do list 待办清单  outside 在室外 collect 收集，采集  woof 汪汪（形容狗吠声）  good job 干得好，真不错 problem 问题  finish 完成，做完  sunshine 阳光；幸福 warm up （使）变暖   yard 庭院  helper 帮手；助手 pick 采，摘 三会（听、说、读 ） 9 s ✎ Language points wash the dishes 洗碗 feed the dog 喂狗 make the beds 整理床铺 take out the rubbish 倒垃圾 sweep the floor 扫地 clean the table 擦桌子 10 Sentences s ✎ Sentences Can you + 动词原形...? 你能...吗？ 例：Can you help me wash clothes? May I + 动词原形...? 我可以...吗？ 例：May I play outside? I can + 动词原形...我会... 例：I can sweep the floor. 12 Tips s ✎ Language points 考点1：情态动词"can"和"may"的用法 Can you help me?（你能帮我吗？） May I play outside?（我可以出去玩吗？） 定义： can表示能力或请求，后接动词原形。may表示请求许可，比"can"更礼貌。 "can"用于询问能力或直接请求，"may"用于更正式的场合。 回答时可以用"Yes, you can."或"No, you may not." 14 s ✎ Language points 情态动词can:表示能力或请求，后接动词原形 She can make the bed. 情态动词may: 表示请求许可，比can更礼貌 May I feed the cat? 一般现在时: 描述日常家务活动 Mum washes dishes every day. 15 s ✎ Language points 一、选择正确的词填空（can/may）： 1. _____________ I go outside? 2. She _______ wash the dishes. 3._______ you take out the rubbish? 4. _______ I help you, Mum? 5.They _______ sweep the floor. May can Can May can 16 s ✎ Language points 二、将句子改为礼貌请求（用"may"）： 1. Can I feed the cat? →__________________________________ 2. Can you clean the table? →__________________________________ 3. Can I make the bed? →__________________________________ 4. Can you water the plants? →__________________________________ 5. Can I play with the dog? →__________________________________ May I feed the cat? May you clean the table? May I make the bed? May you water the plants? May I play with the dog? 17 s ✎ Language points 考点2：表达需要/必须做某事 Sam needs to tidy his room again. 萨姆需要再次打扫他的房间。 定义： 句型结构：主语+need(s) to/must+动词原形. need作为实义动词时，有人称和数的变化，其否定形式为don't/doesn't need to do sth.；must作为情态动词，没有人称和数的变化，否定形式为mustn't，意为“禁止”。 18 s ✎ Language points 根据适当形式填空。 1. She ________ (need) ________ (finish) her homework first. 2. We ________ (must) __________ (be) careful when we cross the road. 3. They ___________ (not need) __________ (wait) for us. 4. You __________ (mustn't) __________ (smoke) in the hospital. 5. He ________ (need) ________ (get) up early tomorrow.   needs to finish mustn’t smoke needs to get don't need to wait must be 19 单项选择。 ( )1. You _______ finish your homework before going out to play. A. need B. must C. may ( ) 2. She _______ to buy some milk for breakfast. A. needs B. must C. need ( )3. We _______ wait here for a long time. The bus will come soon. A. needn’t B. mustn’t C. may not ( )4. _______ I use your phone? I need to call my mum. A. Must B. Need C. May B A A C s ✎ Language points 考点3：表达帮助（某人）做某事 - I help Sam learn Chinese. 我帮助萨姆学习中文。 - Amy helps clean the room. 埃米帮忙打扫房间。 定义： 句型结构：主语+help(s) (sb)+动词原形+sth. help sb. (to) do sth.中to可以省略，当sb.是代词时，要用宾格形式，如help him learn English。 21 根据适当形式填空。 1. Could you help me ___________ (carry) this box? 2. She often helps her mother ___________ (cook) dinner. 3. We should help the old people ___________ (cross) the street. 4. He helps me ___________ (learn) math every day. 5. They help us ___________ (clean) the classroom. clean carry cook cross learn 二、句子改写。 My sister helps me learn English.（改为同义句，用 with） ___________________________________________________________ Could you help the old man cross the road?（改为祈使句） ___________________________________________________________ He helps his dad fix the car every weekend.（改为否定句） ___________________________________________________________ We should help our parents do housework.（对划线部分提问） ___________________________________________________________ My sister helps me with my English. Help the old man cross the road, please! He doesn’t help his dad fix the car every weekend. What should we help our parents do? s ✎ Language points 考点4：表达很高兴做某事 I'm happy to warm up my family. 我很高兴温暖了我的家人。 定义： 句型结构：主语+be happy to+动词原形(+其他). be动词根据主语的人称和数进行变化，如He is happy to see his friends. 除了be happy to do sth.，还可以用be glad to do sth.等表达类似含义。 24 一、根据适当形式填空。 1. I'm happy ___________ (meet) you here. 2. She is happy ___________ (receive) the gift. 3. We are happy ___________ (win) the game. 4. They are happy ___________ (travel) around the world. 5. He is happy ___________ (help) others. to meet to receive to win to travel to help 二、翻译句子。 我很高兴收到你的来信。 __________________________________________________ 他们很高兴参加这个派对。_________________________________________________ 她很高兴能帮到你。_________________________________________________ 我们很高兴赢得这场比赛。_________________________________________________ 他很高兴见到他的老朋友。_________________________________________________ I'm happy to receive your letter. They are happy to take part in the party. She is happy to help you. We are happy to win the game. He is happy to see his old friend. s ✎ Language points 考点5：also与too的用法 I can play football, too. = I can also play football. 我也可以踢足球。 定义： 句型结构：主语+help(s) (sb)+动词原形+sth. help sb. (to) do sth.中to可以省略，当sb.是代词时，要用宾格形式，如help him learn English。 27 一、根据适当形式填空。 1. I like apples, and I like bananas ______. 2. She ______ likes singing. 3. They can swim, ______. 4. He ______ wants to go to the park. 5. I am a student, and my sister is a student ______. too too also too also Practice 一、选出合适的句子补全对话。 Mike: Mum, what can I do to help you? Mum: 1. ______ Mike: OK! 2. ______ Mum: Thank you, my dear. Dad: Mike, I'm done with dinner. 3. ______ Mike: Sure. The dog looks hungry. 4. ______ Dad: Yes, please. Mum & Dad: 5. ______ B A. May I help you make the bed, too? B. Can you help wash the dishes? C. Can I feed the dog? D. Can you sweep the floor? E. You're the sunshine of our family. A D C E 二、选择题 ( ) 1. I often help my mom ______ the dishes after dinner. A. wash B. watch C. water D. walk ( ) 2. Can you ______ the floor with a broom? A. clean B. cook C. read D. draw ( ) 3. My grandpa is old, so I ______ him every day. A. look at B. look after C. look for D. look in ( ) 4. Please ______ the rubbish into the bin. A. take B. put C. make D. eat A A B B 三、语法填空题 If it is sunny tomorrow, we _________ (go) to the park. She said she _________ (can) make the bed at age 5. _________ (Collect) eggs is fun on the farm. You _________ (can't) stay up late. It's bad for you. The students _____________ (sweep) the floor now. Let's help! will go could Collecting can't are sweeping 四、判断正误，错误的改正。 I like swimming, and I like running also.（ ） 改正：____________________________________ ____________________________________ She can play the piano, and she can play the guitar, too.（ ） 改正：____________________________________ They also are good at playing basketball. （ ） 改正：____________________________________ × They are also good at playing basketball. I like swimming, and I also like running. / I like swimming, and I like running, too. √ × / He likes reading, and his brother likes reading, too. （ ） 改正：____________________________________ I am a teacher, and my wife is a teacher also. （ ） 改正：____________________________________ ____________________________________ I am a teacher, and my wife is also a teacher. / I am a teacher, and my wife is a teacher, too. √ / × Thank You! $$