Unit 2 语法易错+巩固练习（导学案）新六年级英语暑假自学课（外研版三起·新教材）

外研版三起新三年级暑假自学课 Unit 2 语法易错+巩固练习 语法易错01 语法点拨 1. 形容词比较级 （1）教材原句： ① Apples with the peel are healthier than apples with no peel. 带皮的苹果比削皮的苹果更健康。 ② Apples with no peel taste better than apples with the peel. 削皮的苹果尝起来味道更好。 ③ It's easier and faster than peeling apples.（连皮吃）比削皮更简单、更快捷。 ④ Health is more important than a nice taste. 健康比美味更重要。 ⑤ Grey crayon is shorter than the other crayons. 灰色蜡笔比其他蜡笔短。 ⑥ This apple is making our picnic more interesting.这个苹果让我们的野餐变得更有趣。 （2）句型结构：A + be + 比较级 + than + B （3）比较级的变化规则： ① 规则变化 变化规则 例词（本课重点标注） 一般单词，词尾直接加 -er fast → faster、short → shorter 以不发音的字母 e 结尾，词尾直接加 -r nice → nicer、late → later 以辅音字母 + y结尾，变 y 为 i，再加 -er healthy → healthier（本课重点）、happy → happier 重读闭音节（辅 + 元 + 辅），双写末尾辅音字母，再加 -er big → bigger、hot → hotter ② 多音节词的规则变化 变化规则 例词（本课重点标注） 单词前加 more，词形不变 interesting → more interesting important → more important ③ 不规则变化 原级 比较级 good / well better（本课核心） many / much more bad / ill worse little less 知识演练 一、用所给单词的适当形式填空 1.Health is ________ (important) than delicious food. 2.This apple makes our picnic ________ (interesting). 3.It is ________ (good) to wash apples before eating. 4.This book is ________ (interesting) than that book. 5.Running is ________ (good) than staying at home. 连词成句 1.than, more, interesting, This, picnic, is, that, one (.) 2.better, It, eat, peel, to, the, is (.) 3.more, important, Health, taste, a, nice, than, is (.) 语法易错02 语法点拨 2. 情态动词 can /should （1）教材原句: Can you use black paper? 你能用黑色的纸吗？ We should say no to all plastic bags. 我们应该拒绝所有塑料袋。 （2）句式结构: can / should + 单词原形，否定句can't/shouldn't. （3）用法：can：表示能够、可以、请求，后接动词原形 should：表示建议、观点、主张，是观点类表达高频词，后接动词原形 知识演练 一、单项选择 ( ) 1. — ______ you speak English?— Yes, I ______. A. Can; can B. Should; can C. Can; should ( ) 2. You ______ litter everywhere. A. can B. shouldn't C. should ( ) 3. Everyone ______ protect the trees. A. can't B. should C. can ( ) 4. — ______ I use your pen?— Sure. A. Should B. Can C. Do ( ) 5. He ______ ride a bike. He is only three years old. A. can't B. shouldn't C. can 二、按要求改写句子 1. I can sing songs.（改为否定句） I ______ ______ songs. 2. You should eat more fruit.（改为否定句） You ______ ______ more fruit. 3. She can dance.（改为一般疑问句） ______ ______ dance? 4. We should help old people.（改为一般疑问句） ______ ______ help old people? 语法易错03 语法易错03 语法点拨 3.一般现在时用于描述常态、个人喜好、客观事实、人物情绪、日常观点，动词根据主语单复数变化： ① 主语为第三人称单数（he/she/it/ 单数名词），动词加 s/es 例：He only uses me for lines.（他只拿我画线条。） ② 主语为复数 / 第一、二人称，动词用原形 例：They have a debate.（他们在辩论。） 知识演练 一、用所给词的适当形式填空 1.He only ______ (use) black crayons for lines. 2.They ______ (have) a debate about colours. 3.I ______ (think) fairy tales are fun. 4.Pink crayon ______ (be) angry. 5.Duncan ______ (draw) nice pictures every day. 6.We ______ (learn) facts and opinions in this unit. 7.It ______ (make) our picnic more interesting. 语法易错04 语法易错03 语法点拨 4.观点表达： ① 询问观点：What's your opinion about...? 你对…… 有什么看法？ 例句：What's your opinion about the saying? 你怎么看待这句谚语？ ② 表达赞同 / 反对：I think... 我认为…… I don't think + 从句 课文原句：I think the saying is right. 我认为这句谚语是对的。 I don't think so. 我不这么认为。 ③表达不同看法：We all have different ideas. 我们都有不同的想法。 知识演练 一、单项选择。 ( ) 1. —______ your opinion about this story? —It's interesting. A. What B. What's C. How ( ) 2. —Do you think the plan is good? —______. I have other ideas. A. I think so B. I don't think so C. Yes, I do ( ) 3. We ______ different ideas about the game. A. all have B. have all C. are all ( ) 4. I ______ the book is very useful. A. not think B. don't think C. am not think ( ) 5. —What's your opinion about the song? —______ I like it very much. A. I think it's great. B. I don't think so. C. We have different ideas. 二、连词成句（注意标点和大小写） 1.opinion, your, what's, movie, about, the (?) 2.think, I, right, is, it (.) 3.so, don't, I, think (.) 4.different, all, we, ideas, have (.) 5.think, I, wrong, the, saying, is (.) 三、情景对话（从方框中选择合适句子补全对话） A. What's your opinion about the new teacher? B. I think she is kind. C. I don't think so. D. We all have different ideas. A: _______________ B: I think she is nice. A: Do you think he is clever? B: _______________ He makes many mistakes. A: Some students like the class, but others don't. B: Yes. _______________ A: What do you think of this picture? B: _______________ It looks beautiful. 语法易错05 语法易错03 语法点拨 5.特殊疑问词 1. Why 引导（提问原因，回答用 because） 句型：Why + be / 助动词 + 主语 + 情绪 / 状态？ Why is Pink angry? 粉色蜡笔为什么生气？ 答：Because Duncan never uses it. 2. What 引导（提问内容、看法） What do you think? 你怎么看？ What are they talking about? 他们在谈论什么？ 知识演练 一、选词填空 (What / Why) 1.—______ is Pink crayon angry? 2.—______ Duncan never uses her. 3.—______ do you think of fairy tales? —I think they are cool. 4.—______ do they have a debate? —Because they have different ideas. 5.—______ are you talking about? —We are talking about birthday gifts. 重难点特训 一、根据句意，用括号内单词的正确形式填空。 1.This box is ________ (big) than that one. 2.Reading books is ________ (interesting) than watching TV. 3.Taste is not ________ (important) than health. 4.She ________ (like) sweet apples very much. 5.My father often ________ (wash) apples before eating. 6.Doing housework is ________ (good) than playing games all day. 7.The blue pen is ________ (short) than the red one. 8.It ________ (make) our class lively and fun. 二、单项选择 ( ) 1. — ______ you help me carry the bag?— Sure. A. Should B. Can C. Do ( ) 2. You ______ run in the classroom. It’s dangerous. A. shouldn’t B. can C. should ( ) 3. — What's your opinion ______ this new rule?— I think it’s great. A. for B. about C. with ( ) 4. — Why is Lily sad?— ______ she can’t find her crayons. A. Because B. So C. And ( ) 5. Tom ______ to school every morning. A. go B. goes C. going ( ) 6. This story is ______ than that one. A. funnier B. funny C. funnyer ( ) 7. — Do you think the song is nice? — ______. I don’t like it at all. A. I think so B. I don’t think so C. We have different ideas ( ) 8. Everyone ______ protect our environment. A. should B. can’t C. isn’t 三、句型转换（按要求改写句子） 1.I can draw pictures.（改为否定句） I ______ ______ pictures. 2.You should eat more vegetables.（改为否定句） You ______ ______ more vegetables. 3.He likes eating apples.（改为一般疑问句） ______ he ______ eating apples? 4.This pencil is longer than that one.（改为一般疑问句） ______ this pencil ______ ______ than that one? 5.We all have different ideas.（英译汉） _______________________________________________ 四、情景对话（补全对话，每空一词 / 选句） (1) 选择合适句子补全对话（A—D） A. What's your opinion about our picnic? B. I don't think so. C. We all have different ideas. D. I think it will be wonderful. A: ________________________ B: I think it will be wonderful. A: Do you think the game is boring? B: ________________________ It’s very fun. A: Some kids love the activity, but others hate it. B: Yes. ________________________ A: What do you think of the new storybook? B: ________________________ I read it twice. (2) 用 can /should/why /because 补全对话 A: Hello, Mike. ______ are you unhappy? B: ______ my crayon is lost. I ______ not find it. A: Don’t worry. You ______ ask our teacher for help. She can help you. B: Thank you very much. 五、阅读短文，选择最佳答案。 Apples are good fruit. Many people like eating apples. Eating apples 1._______ than eating junk food. It is 2._______ to eat apples with the peel. It’s healthier. My friends and I have different 3._______ about apples. Lily thinks peeled apples taste 4._______ But I think health is more 5._______ than nice taste. We 6 talk about this every day. 7._______ do we talk about it? Because we want to know more about healthy eating. We 8._______ learn good eating habits. We 9._______ also tell our parents these ideas. ( ) 1. A. good B. better C. best ( ) 2. A. easy B. easier C. easiest ( ) 3. A. idea B. ideas C. an idea ( ) 4. A. well B. good C. better ( ) 5. A. important B. more important C. most important ( ) 6. A. often B. is C. am ( ) 7. A. What B. Why C. How ( ) 8. A. should B. can’t C. aren’t ( ) 9. A. should B. isn’t C. don’t 六、阅读短文，选择正确答案。 Hello, everyone! My name is Amy. I like apples very much. I always eat apples with the peel. I think it is healthier. My friend Tom has a different idea. He says apples with no peel taste better. We often have a small debate. Why do we have different ideas? Because everyone has different tastes. What's my opinion? I think health is more important than taste. We should eat healthy food every day. We can also drink more water. It’s good for us. 根据短文内容，选择最佳选项。 ( ) 1. Amy likes eating apples ______. A. with the peel B. with no peel C. with sugar ( ) 2. Tom thinks peeled apples taste ______. A. bad B. better C. worse ( ) 3. Why do Amy and Tom have different ideas? A. Because they don’t like apples. B. Because they have different tastes. C. Because they are not friends. ( ) 4. Amy thinks ______ is more important. A. taste B. colour C. health ( ) 5. Which sentence is RIGHT? A. We shouldn’t eat healthy food. B. We can drink more water. C. Amy never eats apples. 参考答案与解析 语法易错题答案01 一、用所给单词的适当形式填空 1.more important 解析：句中有 than，要用比较级。important 是多音节词，比较级在前加 more。 句意：健康比美食更重要。 2.more interesting 解析：make + 宾语 + 形容词比较级，interesting 多音节词，变比较级加 more。 句意：这个苹果让我们的野餐变得更有趣。 3.better 解析：good 为不规则变化，比较级是 better。 句意：吃苹果前洗一下会更好。 4.more interesting 解析：than 提示用比较级，interesting 变比较级加 more。 句意：这本书比那本书更有趣。 5.better 解析：than 提示用比较级，good 不规则变化为 better。 句意：跑步比待在家里更好。 二、连词成句 1.This picnic is more interesting than that one. 解析：主干结构 A + be + 比较级 + than + B（这个野餐比那个更有趣）。 2.It is better to eat the peel. 解析：固定句型 It is + 比较级 + to do sth.（吃果皮会更好）。 3.Health is more important than a nice taste. 解析：标准比较级句型，健康比美味更重要。 语法易错 02 情态动词 can /should 一、单项选择 1.A 解析：Can you...? 一般疑问句，肯定回答 Yes, I can.；should 表建议，不用于此问答。 2.B 解析：litter everywhere（到处乱扔垃圾）是错误行为，用否定形式 shouldn't（不应该）。 3.B 解析：句意：每个人应该保护树木。should 表建议 / 责任；can't（不能）不符合语境。 4.B 解析：Can I...? 用于请求许可（我可以用你的钢笔吗？）；should 表建议，不表请求。 5.A 解析：三岁孩子不会骑自行车，can't 表示 “不能够”；shouldn't 表 “不应该”，不符合。 二、按要求改写句子 1.can't sing 解析：can 变否定直接加 not，缩写 can't，后面动词保持原形。 2.shouldn't eat 解析：should 变否定直接加 not，缩写 shouldn't，后接动词原形。 3.Can she 解析：情态动词 can 提前至句首构成一般疑问句，主语后置。 4.Should we 解析：情态动词 should 提前放句首，人称不变，动词用原形。 语法易错 03 一般现在时 一、用所给词的适当形式填空 1.uses 解析：主语 He 是第三人称单数，一般现在时动词变三单，use → uses。 2.have 解析：主语 They 是复数，动词用原形 have。 3.think 解析：主语 I 为第一人称，动词用原形 think。 4.is 解析：主语 Pink crayon 是单数名词，be 动词用 is。 5.draws 解析：主语 Duncan 是三单，draw 变三单 draws。 6.learn 解析：主语 We 是复数，动词用原形 learn。 7.makes 解析：主语 It 是三单，make 变三单 makes。 语法易错 04 观点表达 一、单项选择 1.B 解析：固定句型 What's your opinion about...?（你对…… 有什么看法？）。 2.B 解析：后一句 I have other ideas（我有不同想法），说明不赞同，选 I don't think so。 3.A 解析：all 放在实义动词 have 之前，We all have... 我们都有……。 4.B 解析：实义动词 think 变否定要借助助动词 don't，即 I don't think...。 5.A 解析：答句 I like it very much 表示赞同，选 I think it's great.。 二、连词成句 1.What's your opinion about the movie? 2.I think it is right. 3.I don't think so. 4.We all have different ideas. 5.I think the saying is wrong. 三、情景对话 答案：A；C；D；B 【解析】 1.根据答句 I think she is nice.，问句是询问观点，选 A。 2.后文 He makes many mistakes 说明不认同，选 C（我不这么认为）。 3.前文 “有人喜欢、有人不喜欢”，对应 D（我们想法各不相同）。 4.后文 “很好看” 表示赞同，选 B。 语法易错 05 特殊疑问词 What / Why 一、选词填空 (What / Why) 1.Why 解析：询问 “生气的原因”，用 Why（为什么）。 2.Because 解析：Why 提问，必须用 Because 回答原因。 3.What 解析：固定搭配 What do you think of...? 你认为…… 怎么样？ 4.Why 解析：答句用 Because，问句用 Why 提问原因。 5.What 解析：答句回答谈论的内容，用 What（什么）提问。 重难点特训 一、根据句意，用括号内单词的正确形式填空 1.bigger 解析：than 表比较，big 重读闭音节，双写 g 加 - er。 2.more interesting 解析：多音节形容词，比较级加 more。 3.more important 解析：than 提示比较级，important 前加 more。 4.likes 解析：主语 She 三单，动词变三单 likes。 5.washes 解析：主语 My father 三单，wash 以 sh 结尾，三单加 - es。 6.better 解析：than 提示比较级，good 不规则变化 better。 7.shorter 解析：than 提示比较级，short 直接加 - er。 8.makes 解析：主语 It 三单，make 变三单 makes。 二、单项选择 1.B 解析：Can you...? 用于请求对方帮忙。 2.A 解析：在教室奔跑很危险，shouldn't 不应该。 3.B 解析：固定搭配 opinion about sth. 对某事的看法。 4.A 解析：Why 提问原因，用 Because 回答。 5.B 解析：主语 Tom 三单，一般现在时动词用 goes。 6.A 7.解析：funny 变比较级，变 y 为 i 加 - er → funnier。 8.B 解析：后句 “我一点也不喜欢”，表示不赞同，选 I don't think so。 9.A 解析：句意：每个人应该保护环境，用 should。 三、句型转换 1.can't draw 解析：can 否定形式 can't，动词用原形。 2.shouldn't eat 解析：should 否定形式 shouldn't，动词用原形。 3.Does; like 解析：主语三单，一般疑问句借助助动词 Does，动词变回原形 like。 4.Is; longer 解析：be 动词提前，比较级 longer 不变。 5.译文：我们都有不同的想法。 四、情景对话 (1) 选句补全对话 答案：A；B；C；D 【解析】结合上下文语境，考查观点表达句型用法。 (2) 用 can /should/why/because 填空 答案：Why；Because；can；should 【解析】 第一空：询问心情原因用 Why； 第二空：回答原因用 Because； 第三空：找不到蜡笔，表 “不能够” 用 can； 第四空：给出建议 “应该求助老师” 用 should。 五、完形填空 1.B 解析：than 用比较级，good→better 2.B 解析：than 用比较级，easy→easier 3.B 解析：different 后接可数名词复数 ideas 4.C 解析：认为削皮苹果口感更好，用比较级 better 5.A 解析：more important 本身已是比较级，此处直接用 important 6.A 解析：often 副词，修饰动词 talk（我们每天都会讨论） 7.B 解析：答句用 Because，问句用 Why 提问原因 8.A 解析：我们应该养成良好饮食习惯，用 should 9.A 解析：我们也应该把想法告诉父母，用 should 六、阅读理解 1.A 解析：原文 I always eat apples with the peel. 2.B 解析：原文 apples with no peel taste better 3.B 解析：原文 Because everyone has different tastes. 4.C 解析：原文 I think health is more important than taste. 5.B 解析：原文 We can also drink more water. A、C 与原文相反。 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $