Unit 4 Let's Do It!（知识清单）英语教科版四年级下册（新教材）

该小学英语Unit 4知识清单系统梳理了语音、必记单词、常考短语、必会句型及核心语法等内容，构建了从基础语音学习到句型运用再到语法综合实践的递进式学习支架。 清单以“考点速记”形式分类呈现频率短语、“想要做某事”句型、提建议句型等核心知识，通过分级提分练（填空、句型转换、单项选择）强化应用，标注重难点如频率副词用法，培养学生语言能力与思维品质。配备参考答案，方便学生自主检测，助力教师精准教学，提升复习效率。

Unit 4 Let's Do It! 知 识 归 纳 语音 短元音i的发音/ɪ/： ip组合：lip, hip, tip id组合：did, kid, lid it组合：hit, sit, fit 必记单词 basketball 篮球；篮球运动 ping-pong 乒乓 month 月；月份 Tuesday 星期二 Wednesday 星期三 Thursday 星期四 Friday 星期五 start 开始 by 通过；在旁边 train 训练；火车 catch 赶上；抓住 tired 疲倦的 everything 一切，所有事物 less 更少，较少 常考短语 play basketball 打篮球 play football 踢足球 go running 跑步 go swimming 去游泳 play ping-pong 打乒乓球 once a day 每天一次 twice a week 每周两次 twice a month 每月两次 three times a month 每月三次 every Sunday 每周日 try it out 试试 catch up 赶上 take breaks 休息 try your best 尽最大努力 必会句型 1. 询问对方做什么运动的句型： —What sports do you play? 你做什么运动？ —I play ... 我做…… 运动。 例：—What sports do you play? 你做什么运动？—I play ping-pong. 我打乒乓球。 2. 询问对方做运动频率的句型： —How often do you play ...? 你多久做一次…… 运动？ —I play ... + 频率。我…… 做一次。 例：—How often do you play football? 你多久踢一次足球？ —I play twice a week. 我一周踢两次。 3. 表达想要尝试某事的句型： —I'd like to try ... 我想要尝试…… —I want to start ... 我想要开始…… 例：I'd like to try basketball. 我想要尝试打篮球。 4. 提建议的句型： You can start by ... 你可以从…… 开始。 You should ... 你应该…… It's important to ... …… 是很重要的。 例：You should practise less. 你应该少练习一点。 核心语法 1. 频率副词 / 短语的用法及问答（how often 引导的特殊疑问句） 2. 表达 “想要做某事” 的句型（I'd like to.../I want to...） 3. 提建议的常用句型（You can stay by.../It's important to...） 考 点 速 记 考点 01 频率短语辨析与 how often 引导的特殊疑问句twice a week一周两次 twice a month一个月两次 three times a month一个月三次 every Sunday每个星期天 How often do you play? 你多久玩一次？ I play twice a week. 我一周玩两次。 1. 常见频率短语：once a day（一天一次）、twice a week（一周两次）、twice a month（一个月两次）、three times a month（一个月三次）、every Sunday（每周日）；once 表示 “一次”，twice 表示 “两次”，三次及以上用 “基数词 + times”。 2. how often 用于询问动作发生的频率 句型结构：How often do you + 动词原形（+ 其他）？ 答句：I + 动词原形 + 频率短语. [注意]频率短语可放在句末，回答时需与问句的动词保持一致。 提分练 一、根据句意选择合适的频率短语填空（填序号） A. once a day B. twice a week C. three times a month D. every Sunday E. twice a month 1.I go running ________. I run in the morning every day. 2.We have team training ________. We train on Tuesday and Friday. 3.My father plays football ________. He plays on Sunday every week. 4.Lily goes swimming ________. She swims on the 1st and 15th of each month. 5.Tom plays ping-pong ________. He plays on the 5th, 15th and 25th of each month. 6.My sister reads books ________. She reads in the evening every day. 7.We play basketball ________. We play on Saturday and Sunday. 二、按要求完成句子 1.I play football twice a week.（对画线部分提问） ________ ________ ________ play football? 2.She goes running once a day.（对画线部分提问） ________ ________ ________ go running? 3.They play ping-pong every Sunday.（对画线部分提问） ________ ________ ________ play ping-pong? 4.I go swimming three times a month.（改为一般疑问句并作肯定回答） —________ ________ ________ swimming three times a month? —Yes, ________ ________. 5.He plays basketball twice a week.（改为否定句） He ________ ________ basketball twice a week. 6.Do you play sports every day?（作否定回答） No, ________ ________. 7.We make a plan once a week.（对画线部分提问） ________ ________ ________ make a plan? 考点 02 “想要做某事” 句型（I'd like to.../I want to...）I’d like to try basketball. 我想试试篮球。 I want to play football. 我想踢足球。 1. I'd like to + 动词原形 = I would like to + 动词原形，意为 “我想要做某事”，语气委婉，用于表达愿望，可用于提出尝试 / 开始某件事的想法。 2. I want to + 动词原形，意为 “我想要做某事”，语气更直接，与 I'd like to 可互换，后接动词原形不变。 3. 常用搭配：I'd like to try...（我想要尝试……）、I want to start...（我想要开始……）、I'd like to practise...（我想要练习……）。 提分练 一、用所给动词的适当形式填空 1.I'd like ________ (try) basketball. Can you help me? 2.She wants ________ (start) swimming this Sunday. 3.We'd like ________ (make) a sports plan. 4.He wants ________ (practise) football every day. 5.I'd like ________ (go) running with my friend. 6.They want ________ (play) ping-pong after school. 7.My sister'd like ________ (join) the basketball club. 二、连词成句 1.like, I, to, try, ping-pong, would (.) __________________________________________ 2.want, I, to, start, swimming (.) __________________________________________ 3.like, she, to, play, football, would (.) __________________________________________ 4.want, they, to, make, a, plan (.) __________________________________________ 5.I, to, practise, basketball, like, would (.) __________________________________________ 6.want, he, to, go, running, every day (.) __________________________________________ 7.like, we, to, have, fun, would (.) __________________________________________ 考点 03 提建议的常用句型You can start by practising once or twice a week. 你可以先每周练习一到两次。 It’s important to take breaks often. 经常休息也是很重要的。 1. You can + 动词原形：表示 “你可以做某事”，提出委婉的建议，后接动词原形。 2. You should + 动词原形：表示 “你应该做某事”，提出较强烈的建议 / 劝告，后接动词原形。 3. It's important to + 动词原形：表示 “做某事是很重要的”，强调做某事的必要性，it 为形式主语，真正主语是后面的动词不定式。 4. You can start by + 动词 - ing 形式：表示 “你可以从做某事开始”，by 后接动词的 - ing 形式。 提分练 一、用所给动词的适当形式填空 1.You can ________ (try) it out first. 2.You should ________ (practise) less. You look tired. 3.It's important to ________ (take) breaks often when you practise. 4.You can start by ________ (play) around a bit with the basketball. 5.You should ________ (make) a sports plan before you start. 6.It's important to ________ (have) fun when you play sports. 7.You can ________ (join) the football club if you like it. 二、单项选择 ( ) 1. You ______ start by practising once a week. A. can B. should C. is ( ) 2. ______ important to take a break every hour. A. It B. It's C. Its ( ) 3. You ______ practise too much. You will be tired. A. should B. can't C. shouldn't ( ) 4. You can start by ______ running for ten minutes. A. go B. going C. goes ( ) 5. ______ make a plan for your new sport. A. You should B. You can C. It's important ( ) 6. You ______ take breaks every thirty minutes. It's good for you. A. can B. should C. both A and B ( ) 7. It's important to ______ fun when you play basketball. A. have B. has C. having 参考答案 考点 01 频率短语辨析与 how often 引导的特殊疑问句 一、1.A 2.B 3.D 4.E 5.C 6.A 7.B 二、1.How often do you 2.How often does she 3.How often do they 4.Do you go; I do 5.doesn't play 6.I don't 7.How often do you 考点 02 “想要做某事” 句型（I'd like to.../I want to...） 一、1.to try 2.to start 3.to make 4.to practise 5.to go 6.to play 7.to join 二、1.I would like to try ping-pong. 2.I want to start swimming. 3.She would like to play football. 4.They want to make a plan. 5.I would like to practise basketball. 6.He wants to go running every day. 7.We would like to have fun. 考点 03 提建议的常用句型 一、1.try 2.practise 3.take 4.playing 5.make 6.have 7.join 二、1.A 2.B 3.C 4.B 5.A 6.C 7.A 第 1 页 共 7 页 学科网（北京）股份有限公司 $