Unit 4 Cat or Dog（易错题专项练习·语法提升）英语教科版六年级上册（新教材)

**基本信息** 聚焦小学英语Unit 4核心语法，通过高频易错点专项突破，构建“规则精讲-易错提示-分层训练”体系，提升语言运用准确性与逻辑思维能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |both用法|单选5题+填空5题|总结“both...and”主谓一致、位置规则及与all的区别|从两者指代切入，通过错误对比强化语法规则| |对比连词|单选5题+句型转换3题|区分while（连句子）、unlike（接名词）、however（句首逗号）用法|围绕猫狗对比主题，建立“词性-功能-标点”逻辑链| |观点句型|单选5题+填空5题|明确I think接完整句、agree with搭配及because不与so连用规则|从观点表达到理由阐述，形成完整交际逻辑| |综合训练|5类题型30题|整合三类语法点，通过语篇填空、阅读等实现知识迁移|以“宠物对比”主题为线索，串联语法规则与语用能力|

Unit 4 Cat or Dog? 专题02 语法提升·易错题专项训练 高频易错点03 表达观点的句型（I think… / I agree / I don’t agree） 高频易错点01 both 表示两者都的用法 高频易错点02 while /unlike/however 表对比 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 both 表示两者都的用法高频易错点01 both 用于两者（人或事物），表示 “两者都”。 1.both … and …：两者都，连接两个并列主语。 例：Both cats and dogs are pets. 猫和狗都是宠物。 2.both 放在be 动词之后，实义动词之前。 例：They are both cute. 它们两个都很可爱。 3.They both like playing. 它们两个都喜欢玩耍。 注意：all 用于三者及以上，两者只能用 both，不能用 all。 易错点提示 1. both…and… 连接两个主语时，后面谓语动词要用复数形式，不要用三单。 错误：Both the cat and the dog is small. 正确：Both the cat and the dog are small. 2.位置易错：be 动词后面，实义动词前面。 错误：They both are clever. 正确：They are both clever. 错误：They like both meat. 正确：They both like meat. 3.both 只用于两者；三者或以上才用 all，不要混淆。 小练笔 一、单项选择 ( )1. ______ cats ______ dogs can be good pets. A. Both; and B. All; and C. Both; or ( )2. The cat and the dog ______ ______ lovely. A. are both B. both are C. is both ( )3. They ______ ______ sleeping every day. A. both like B. like both C. both likes ( )4. Both my mum and dad ______ animals. A. like B. likes C. liking ( )5. I have two pets. They ______ ______ quiet. A. all are B. are both C. both is 二、用括号内所给词的适当形式填空 1.Both the dog and the cat ______ (be) fun. 2.They ______ (both /all) are my good friends.（选合适单词） 3.Both girls ______ (like) small animals. 4.My two pets ______ (be) both playful. 5.Both you and I ______ (enjoy) watching pets. 点拨 一、 1. A 解析：固定搭配 both…and… 表示两者都，all 用于三者及以上，故选 A。 2. A 解析：both 放在 be 动词 are 后面；主语是两个动物，be 动词用 are，故选 A。 3. A 解析：both 放在实义动词 like 前面；主语 they，动词用原形 like，故选 A。 4. A 解析：both…and 连接主语，谓语动词用复数原形 like，故选 A。 5. B 解析：两只宠物，用 both；both 放在 be 动词之后，故选 B。 2、 用括号内所给词的适当形式填空 1. are 解析：both…and 连接主语，谓语动词用复数 are。 2. both 解析：two friends 两者，用 both，all 用于三者以上。 3. like 解析：主语 girls 是复数，动词用原形 like。 4. are 解析：主语 two pets 复数，be 动词用 are。 5. enjoy 解析：both…and 连接主语，谓语动词用原形 enjoy。 while /unlike/however 表对比高频易错点02 本单元用来对比猫和狗的不同特点。 while 连词，“然而”，连接两个对比的句子。 例：Cats like quiet places, while dogs like playing outside. 猫喜欢安静的地方，然而狗喜欢在外面玩耍。 unlike 介词，“与…… 不同”，后面接名词 / 代词。 例：Unlike cats, dogs love meeting people. 和猫不一样，狗喜欢与人接触。 however 副词，“然而，可是”，一般放在句首，后面加逗号，隔开前后两个句子。 例：Dogs are very friendly. However, cats are quiet. 狗非常友好。然而，猫很安静。 易错点提示 1. while 是连词，前后都要有完整句子；unlike 是介词，后面只接名词，不能接完整句子。 错误：Unlike cats like sleep, dogs like running. 正确：Unlike cats, dogs like running. 2.however 是副词，不能直接连接两个句子。两个独立句子用句号隔开，however 后面加逗号。 错误：Dogs are active however cats are shy. 正确：Dogs are active. However, cats are shy. 3.标点易错：however 放句首，后面必须加逗号。 小练笔 一、单项选择 ( )1. Cats sleep a lot, ______ dogs love to run around. A. while B. unlike C. however ( )2. ______ dogs, cats like to stay at home. A. While B. Unlike C. However ( )3. Dogs are noisy. ______, cats are quiet. A. While B. Unlike C. However ( )4. Cats are independent, ______ dogs need lots of care. A. while B. Unlike C. But however ( )5. ______ my dog, my cat doesn’t like strangers. A. Unlike B. While C. However 二、按要求改写句子 1.Dogs love playing outside. Cats like quiet places.（用 while 合并句子） ________________________________________________ 2.Cats are shy. However, dogs are outgoing.（翻译成中文） ________________________________________________ 3.Unlike the dog, the cat likes sleeping.（改成同义句，用 while） ________________________________________________ 点拨 一、 1. A 解析：while 连词，连接两个完整对比分句，表示 “然而”，故选 A。 2. B 解析：unlike 介词，后接名词 dogs，表示 “和狗不一样”，故选 B。 3. C 解析：however 放句首，后接逗号，连接两个独立句子，表转折，故选 C。 4. A 解析：while 连接两个对比的完整句子，故选 A。 5. A 解析：unlike 后面接名词 my dog，意为 “和我的狗不同”，故选 A。 二、按要求改写句子 1.Dogs love playing outside, while cats like quiet places. 解析：while 放中间连接两个对比分句。 2. 猫很害羞。然而，狗很外向。 解析：however 翻译为 “然而”。 3. The dog likes playing, while the cat likes sleeping. 解析：while 连接两个完整句子进行对比。 高频易错点03 表达观点的句型（I think… / I agree / I don’t agree） 1.I think … 我认为……，后面接完整句子，表达自己看法。 例：I think dogs are better pets. 我认为狗是更好的宠物。 2.I agree. 我同意。 / I don’t agree. 我不同意。用来回应别人观点。 3.用 because 说明理由：I think…because… 我认为…… 因为…… 例：I like cats because they are quiet. 我喜欢猫，因为它们很安静。 易错点提示 1. I think 后面要接完整句子，不能只接名词短语。 错误：I think dogs. 正确：I think dogs are great pets. 2. agree 后面不直接接名词；表示 “同意某人” 要用 agree with sb。 错误：I agree you. 正确：I agree with you. 3. because 不能和 so 连用在同一个句子里。 错误：I like dogs, because they are fun so I want one. 正确：I like dogs because they are fun. I want one. 小练笔 一、单项选择 ( )1. I think ______ are lovely pets. A. cats B. cat C. cat’s ( )2. I don’t agree ______ you. A. to B. with C. for ( )3. I like dogs ______ they are friendly. A. so B. because C. but ( )4. —I think cats are cute. —______. I like them too. A. I agree B. I don’t agree C. However ( )5. I think dogs are good pets ______. A. because they play fun B. because they are playful C. so they playful 二、用括号内所给词的适当形式填空 1.I think dogs ______ (be) good for kids. 2.I agree with ______ (he). 3.I don’t think cats ______ (like) loud noise. 4.I like cats ______ (because / so) they are quiet. 5.—Dogs are better. —I ______ (not agree). 点拨 一、 1. A 解析：be 动词 are 提示主语用复数 cats，故选 A。 2. B 解析：固定搭配 agree with sb，同意某人，故选 B。 3. B 解析：because 引导原因，“我喜欢狗因为它们很友好”，故选 B。 4. A 解析：后面 “I like them too” 表示赞同，I agree 我同意，故选 A。 5. B 解析：because 引导原因状语从句，they are playful 它们爱玩耍，故选 B。 二、用括号内所给词的适当形式填空 1.are 解析：宾语从句主语 dogs 复数，be 动词用 are。 2. him 解析：介词 with 后面用人称代词宾格 him。 3. like 解析：主语 cats 复数，动词用原形 like。 4. because 解析：说明喜欢猫的原因，用 because。 5. don’t agree 解析：我不同意，I don’t agree。 综合训练 一、单项选择 1．______ cats and dogs can make great pets. ( ) A. Both B. All C. Every 2．Cats are quiet, ______ dogs love noisy games. ( ) A. while B. unlike C. however 3．I think ______ are great pets. ( ) A. dog B. dogs C. dog’s 4．Dogs love people. ______, cats like to be alone. ( ) A. However B. While C. Unlike 5．I don’t agree ______ you. ( ) A. with B. to C. for 6．______ dogs, cats do not need much exercise. ( ) A. Unlike B. While C. However 7．Both my sister and I ______ small pets. ( ) A. like B. likes C. liking 8．They ______ ______ very clever.（它们两个都很聪明）( ) A. are both B. both are C. all are 9．I like dogs ______ they are very playful. ( ) A. so B. because C. but 10．—I think cats are better pets. —______. I like dogs better. ( ) A. I agree B. I don’t agree C. Me too 二、用所给词的适当形式填空 1．Both the cat and the dog ______ (be) lovely. 2．They ______ (both /all) enjoy sleeping on the sofa.（两只宠物） 3．I think dogs ______ (need) lots of love. 4．I agree with ______ (she). 5．Cats are quiet. ______ (however), dogs are noisy. 三、句型转换 1.Cats like sleeping. Dogs like running.（用 while 合并句子） _________________________________________________ 2.Both cats and dogs are good pets.（改为否定含义） _________________________________________________ 3.I think dogs are good pets.（改为否定句） _________________________________________________ 4.Unlike cats, dogs enjoy meeting new people.（用 while 改写） _________________________________________________ 5.I like cats because they are quiet.（对划线部分提问） _________________________________________________ 四、补全短文。根据上下文，用括号内所给单词的适当形式填空，每空一词。 Many people like pets. 1______ (both) cats and dogs are popular pets. Cats are quiet, 2______ (while / however) dogs love to play outside. 3______ (unlike) dogs, cats do not need long walks. I think dogs 4______ (be) great. But my sister doesn’t agree with 5______ (I). She likes cats better. 五、阅读短文，完成题目。 Cats and dogs are both popular pets. Cats are quiet. They like sleeping at home. Unlike cats, dogs are very playful. They need lots of exercise. While cats like staying alone, dogs love playing with people. Some people think dogs are better pets. However, some people prefer cats. I think cats are good pets because they are easy to look after. 1． 阅读短文，选择最佳的选项。 (1) Which sentence is TRUE? ( ) A. Both cats and dogs are popular pets. B. All pets are dogs. C. Cats love lots of exercise. (2) What do dogs like doing? ( ) A. They like staying alone. B. They like playing with people. C. They sleep all day. (3) Unlike cats, dogs ______. ( ) A. need lots of exercise B. like sleeping at home C. like staying alone (4) Why does the writer like cats? ( ) A. Because cats are noisy. B. Because they are easy to look after. C. Because they love playing outside. 2．阅读短文，回答问题。 (1) What is the difference between cats and dogs according to the text? _________________________________________________ (2) Which pet do you like better, cats or dogs? Why?（根据实际情况回答） _________________________________________________ 参考答案 一、单项选择 1．A 【详解】句意：猫和狗两者都可以成为很棒的宠物。both…and 两者都；all 用于三者以上，故选 A。 2． A 【详解】句意：猫很安静，然而狗喜欢吵闹的游戏。while 连接两个完整对比分句，故选 A。 3． B 【详解】后面 be 动词 are，主语用复数 dogs，故选 B。 4． A 【详解】however 放在句首，后加逗号，连接两个独立句子表转折，故选 A。 5． A 【详解】固定搭配 agree with sb，同意某人，故选 A。 6． A 【详解】unlike 介词，后面接名词 dogs，意为 “和狗不同”，故选 A。 7． A 【详解】both…and 连接主语，谓语动词用复数原形 like，故选 A。 8． A 【详解】both 放在 be 动词后面；两者用 both 不用 all，故选 A。 9． B 【详解】because 引导原因状语从句，说明喜欢狗的理由，故选 B。 10． B 【详解】后句 “I like dogs better” 表示不同意对方观点，I don’t agree 我不同意，故选 B。 二、用所给词的适当形式填空 1．are 【详解】both…and 连接主语，谓语动词用复数 are。故答案为 are。 2． both 【详解】two 宠物是两者，用 both；all 用于三者及以上。故答案为 both。 3． need 【详解】宾语从句主语 dogs 复数，动词用原形 need。故答案为 need。 4． her 【详解】介词 with 后面接人称代词宾格 her。故答案为 her。 5． However 【详解】句首大写，however 后加逗号。故答案为 However。 三、句型转换 1.Cats like sleeping, while dogs like running. 【详解】while 放在两个对比分句中间。 2.Not only cats but also dogs are good pets. 3.I don’t think dogs are good pets. 【详解】I think 变否定，否定前移到 think 前面。 4.Cats do not enjoy meeting new people, while dogs enjoy meeting new people. 5.Why do you like cats? 【详解】对 because 引导的原因提问用 why。 四、补全短文 1.Both 解析：both…and 固定搭配，句首大写。 2. while 解析：while 连接两个对比完整句子。 3. Unlike 解析：unlike 介词，后接名词 dogs，句首大写。 4. are 解析：宾语从句主语 dogs 复数，be 动词用 are。 5. me 解析：介词 with 后面接宾格 me。 五、阅读短文 1．(1) A (2) B (3) A (4) B 【详解】 (1) 原文第一句 “Cats and dogs are both popular pets.”，选 A。 (2) 文中 “dogs love playing with people.”，选 B。 (3) 文中 “Unlike cats, dogs are very playful. They need lots of exercise.”，选 A。 (4) 文末 “because they are easy to look after.”，选 B。 2． (1) Cats are quiet and like staying alone. However, dogs are playful and need lots of exercise. (2) 示例：I like dogs better. Because they are friendly and playful.（答案不唯一） 第 1 页 共 14 页 学科网（北京）股份有限公司 $