2025秋单元知识清单&易错练习 Unit 2 Helping at home 外研版四上

2025秋单元知识清单&易错练习 Unit 2 Helping at home 外研版四上 重点语音： 字母 w在音节中读/w/, 例: work 工作 we 我们 water 给……浇水 wash 洗 字母 y在音节中读/j/, 例: yard 庭院 you你 yes 是 year 年 重点单词： wash 洗 easy 容易的 dish 盘子, 碟子 tired 困倦的; 疲惫的, 累的 feed 喂养, 给……食物 helpful 有用的, 有帮助的 sweep扫, 打扫 dirty 脏的 floor 地板, 地面 clean 清洁的, 干净的 rubbish 垃圾 pig 猪 chore 家庭杂务 cow 母牛; 奶牛 tidy 整理, 收拾 problem 问题 job 任务, 事情 sunshine 阳光; 幸福 wall 墙 phew 啊, 唷, 唉 desk 书桌, 写字台 woof 汪汪(形容狗吠声) water 给……浇水 feel 感受到, 觉得 yard 庭院 may 可以(表示允许某人做某事) pick 采, 摘 outside 在室外 collect 收集, 采集 again 再一次 cut 修剪 also 除此之外, 还 grass 草, 青草 sometimes 有时 finish 完成, 做完 warm(使) 变暖和; 温暖的 helper 帮手; 助手 重点短语： wash the dishes 洗盘子 feed the dog 喂狗 make the beds 铺床 sweep the floor 扫地 take out the rubbish 扔垃圾 help sb do sth 帮助某人做某事 well done 做得好 play outside 出去玩 do chores 做家庭杂务 clean the floor 打扫地板 no problem 没问题 tidy your room 整理你的房间 take care of sb 照顾某人 need to do sth需要做某事 good job 干得好, 真不错 be happy to do sth 很高兴做某事 warm up (使) 变暖 water the vegetables 给蔬菜浇水 wash up 洗脸, 洗手 pick the apples 采摘苹果 milk the cows 挤牛奶 collect the eggs 收集鸡蛋 cut the grass 除草 on the farm 在农场 to-do list 待办清单 重点句型： 1.—Can you tidy your room? —OK. —你能整理你的房间吗？ —好的。 2.May I play outside? 我可以出去玩吗？ 3.。I need to clean the floor. 我需要打扫地板。 4. Mum feels tired. 妈妈感觉累了。 5.I need to clean the floor, the desk and the wall. 我需要打扫地板、桌子和墙壁。 6.I take care of Dad. 我照顾爸爸。 7.—Can you help me clean the floor?—OK. That's easy. —你能帮我打扫地板吗? —好的。那很容易。 8.Bobby,stop! Look!It's so dirty now! 博比,别动!看!现在太脏了! 9.—Can I make the bed for you, Dad? —Thank you. —爸爸,我能帮你铺床吗? —谢谢你。 10.—May I help you wash the dishes, Mum? —Thank you, my dear! —我能帮你洗盘子吗，妈妈? —谢谢你,亲爱的! 11.Wenwen is so helpful. She is the sunshine of our family. 文文真是个乐于助人的孩子。她是我们家的阳光。 12.I'm happy to warm up my family. 我很高兴去温暖我的家庭。 13.Dad and Mum work hard on the farm. 爸爸和妈妈在农场努力工作。 14.Together we help around the house. 我们一起帮忙做家务。 15.We're good helpers to Mum and Dad. 我们是爸爸妈妈的好帮手。 句型解析和语法： 1.礼貌地询问某人是否能做某事: 句型结构： Can you＋动词原形(+ 其他) ? 例: —Can you tidy your room?—OK. —你能整理你的房间吗？ —好的。 2.询问对方我是否可以做某事: 句型结构： May I+ 动词原形(+ 其他)? 例: May I play outside? 我可以出去玩吗？ 3.表达某人需要做某事: 句型结构： 主语 +need to+ 动词原形 . 例: I need to clean the floor. 我需要打扫地板。 4.表达某人的感觉: 句型结构： 主语 + feel+ 形容词 . 例: Mum feels tired. 妈妈感觉累了。 5.情态动词can和may 的用法辨析 （一）情态动词的特点: 1. can和 may后面接动词原形2.没有人称和数的变化 3.否定形式:can/may+not+动词原形 （二）常见情态动词的用法: 1. can (1)能够,会(表能力);(2)可以(表请求、允许，此时与may意思相近,语气更委婉客气);(3)可能(表可能性,用于客观的推测)。 例:Can it be him?会是他吗? 2.may (1)可以(表示请求、许可);(2)可能(表示可能性,表示不太有把握的推测)。 例: He may be late.他可能会迟到。 含情态动词can与may 的句型结构 一般疑问句 Can/May+主语+动词原形(+其他)? 肯定回答 Yes,主语 +can. Yes,主语+may./Sure./OK./Yes, please. 否定回答 No,主语 +can't. No,主语+may not./No,主语+ can't.(大多口语上用)/ No,主语+mustn't.(具有强烈禁止的意思)/No, you'd better not. 例句 —Can you sing? —Yes, I can. —No, I can't. —May l go out? —Yes, you may./OK. —No, you can't./ No, you mustn't. need和must用法拓展: need表示“需要,必须”。 例: Need you go so soon?你需要这么快就走吗? 作实义动词时有人称、数和时态的变化, 例: He needs to buy a new bike.他需要买一辆新自行车。 must表示“必须”,强调义务、命令。 例:You must follow the rules.你必须遵守规则。 还可表示有把握的推测。 例:The door is locked, so he must be out. 门是锁着的,所以他一定是出去了。 易错练习： 一 根根据图片及首字母提示写单词，补全句子。 1.The room is________. 2.I can________the dishes. 3.The machine can make housework________. 4.I can the________flowers. 5.I need to________the floor. 6.My father is________the grass. 7.The________is drinking juice. 8.The picture is on the________. 9.Li Ming did a good________. 10.I’m________.I want to have a rest(休息). 2、 选词填空。 1. —What can you do ________ (at/of) home? —I can help you ________ (clean/cleans) the floor. 2. —I can't do chores ________ (good /well) . —May I ________ (do/doing) chores with you? 3. —Chores can ________ (is /be) fun! —We love ________ (do/doing) chores. 4. —We need ___________ (to tidy/tidy) the room. —We can ________ (also/too) ask Mum to help us. 5. Grandpa is ill. I can take care of________(him / he) . 6. This is________(Sam's / Sam) dad. 7. This is a photo________(of / to) my family. 8. Who does she________ (help / helps) ? 9. May I________(sweep/sweeping) the floor first? 10. The lion________(must/ can't) eat grass. 11. Sam needs________(make/ to make) the bed. 12. We help _______ (pick/picks) apples on the farm． 三、按要求完成下面各题。 1. He can jump high. (变为否定句) He________ ________high. 2. He can jump high. (肯定回答) ________, he ________. 3. You may go out now. (变为一般疑问句) ________ ________go out now? 4.You may go out now. (否定回答) ________, you________ ________ . 5. tidy, your, room, can, first, you (?)(连词成句) ______________________________________________________ 6. Bobby, help, clean, the floor, can (.)(连词成句) ______________________________________________________ 7. may, outside, play, I (?)(连词成句)  ______________________________________________________ 8. needs, He, his room, tidy, to (.)(连词成句)  ______________________________________________________ 9. dog , the , feed , please (.)(连词成句)  ______________________________________________________ 10. chores , fun , can , be (.)(连词成句)  ______________________________________________________ 四、单项选择。 ( )1.—________I make the bed for you, Grandpa? —Yes, please do.Thank you. A.Are B.Can C.Am ( )2.—What can you do at home? —I can________my room. A.tidy B.tidying C.to tidy ( )3.I am________.I can do some chores. A.clean B.helpful C.tired ( )4.I am happy________up my family. A.warm B.warming C.to warm ( )5.—Can you water the vegetables on the farm?—________ A.Yes, I can. B.No, I don’t. C.Yes, I am. ( )6 . I ______ to clean the floor and the desk. A.need B.take C.help ( )7 . They need to ______ the dog. A.drink B.eat C.feed ( )8 . Everyone, ________! You did a good job. A.hurry up B.well done C.be quiet ( )9 . I like ________ the rubbish. A.take out B.taking out C.takes out ( )10 . Can you help me ________ the dishes? A.washes B.washing C.wash ( )11 . Let’s ________ the floor together. A.sweeping B.sweep C.sweeps ( )12 . —May I play outside now? —______ A.No, you can’t. B.No, I’m not. C.Thank you. 参考答案： 一、 1.dirty 2.wash 3.easy 4.water 5.sweep 6.cutting 7.cow 8.wall 9.job 10.tired 二、 1.at;clean 2.well;do 3.be;doing 4.to tidy;also 5.him 6.Sam's 7.of 8.help 9.sweep 10. can't 11. to make 12.pick 三、 1.can’t jump 2.Yes;can 3.May I 4.No;may not 5.Can you tidy your room first? 6.Bobby can help clean the floor. 7.May I play outside? 8.He needs to tidy his room. 9.Please feed the dog. 10.Chores can be fun. 四、 1.B 2.A 3.B 4.C 5.A 6.A 7.C 8.B 9.B 10.C 11.B 12.A 学科网（北京）股份有限公司 $$