Unit 3 语法易错+巩固练习（导学案）新五年级英语暑假自学课（北师大版三起·新教材）

北师大版五年级上册 Unit 3 A better me 语法易错+巩固练习 语法易错01 比较级 + than 的用法 【语法点拨】 形容词比较级 + than 用于两个人或事物之间的比较，表示“比……更……”。 结构：A + be + 比较级 + than + B 教材例句： You are all better than me. 你们都比我更好。 I have more friends than before. 我有比以前更多的朋友。 Peter gets up earlier than before. Peter 比以前起得更早。 A bird is smaller than a dog. 鸟比狗小。 【易错提示】 ① 比较级后面必须加 than，不能漏掉： You are better me. ✗ → You are better than me. ✓ ② 不能同时用 more 和 -er： more taller ✗ → taller ✓ ③ than 和 then 不能混淆：than 用于比较，then 意思是“然后”： You are taller then me. ✗ → You are taller than me. ✓ 知识演练01 一、根据中文提示写出英文 1. 我比你更高。I’m ________ ________ you. 2. 这只鸟比那只狗小。This bird is ________ ________ that dog. 3. Peter 比以前起得更早。Peter gets up ________ ________ before. 4. 我有比以前更多的朋友。I have ________ friends ________ before. 二、单项选择 5. An elephant is ________ than a horse. A. big B. bigger C. more big 6. I am taller ________ you. A. then B. than C. that 语法易错02 比较级变化规则 【语法点拨】 形容词变比较级有三种规则： ① 一般单音节和部分双音节形容词，直接加 -er： tall→taller，long→longer，short→shorter，small→smaller，fast→faster，slow→slower，old→older，young→younger ② 以辅音字母+y 结尾，变y为i加-er： heavy→heavier，funny→funnier，early→earlier ③ 重读闭音节结尾，双写末尾辅音字母加-er： big→bigger（双写g），thin→thinner（双写n） ④ 不规则变化： good→better，many/much→more 【易错提示】 ① heavy 变比较级要变y为i加er，不能直接加er： heavy→heavyer ✗ → heavy→heavier ✓ ② big 变比较级要双写g： big→biger ✗ → big→bigger ✓ ③ good 的比较级是 better，不是 gooder： good→gooder ✗ → good→better ✓ 知识演练02 一、写出下列形容词的比较级 1. tall → ________ 2. big → ________ 3. heavy → ________ 4. good → ________ 5. thin → ________ 6. early → ________ 二、单项选择 7. An elephant is ________ than a horse. A. heavyer B. heavier C. more heavy 8. My room is ________ than yours. A. biger B. more big C. bigger 语法易错03 最高级 the + 形容词最高级 【语法点拨】 三个或以上人或事物进行比较时，用最高级：the + 形容词最高级。 教材例句： Peter is the best at the game. Peter 是比赛中最棒的。 I’m the fastest. 我是最快的。 Your flower is the tallest. 你的花是最高的。 It’s the biggest. 它是最大的。 最高级变化规则： 一般加 -est：tall→the tallest，fast→the fastest y结尾变y为i加-est：heavy→the heaviest，funny→the funniest 双写加-est：big→the biggest，thin→the thinnest 不规则：good→the best 【易错提示】 ① 最高级前面必须加 the： Peter is best at the game. ✗ → Peter is the best at the game. ✓ ② big 变最高级要双写g： big→the bigest ✗ → big→the biggest ✓ ③ good 的最高级是 the best，不是 the goodest： good→the goodest ✗ → good→the best ✓ 知识演练03 一、写出下列形容词的最高级（含 the） 1. tall → ________ 2. big → ________ 3. fast → ________ 4. good → ________ 5. heavy → ________ 6. thin → ________ 二、单项选择 7. Peter is ________ at the game. A. the best B. best C. the goodest 8. Your flower is ________ in the garden. A. the tallest B. the taller C. tallest 语法易错04 be good at 的用法 【语法点拨】 be good at 意为“擅长……”，后接名词或动词-ing形式。 be 随主语变化：I am，he/she/it is，we/you/they are。 教材例句： Peter is good at sport. Peter 擅长运动。（接名词） 拓展：be good at 后接动词时用 V-ing：She is good at singing. 她擅长唱歌。 【易错提示】 ① 不能漏掉 at： Peter is good sport. ✗ → Peter is good at sport. ✓ ② be 随主语变化，不能用错： Peter am good at sport. ✗ → Peter is good at sport. ✓ ③ 后接动词时要用-ing形式： She is good at sing. ✗ → She is good at singing. ✓ 知识演练04 一、用 be good at 的正确形式填空 1. I ________ good at English. 2. Peter ________ good at sport. 3. We ________ good at maths. 4. She is good at ________(dance). 二、单项选择 5. Max is good ________ basketball. A. in B. at C. on 6. Lingling is good at ________. A. draw B. draws C. drawing 综合提升 （本模块覆盖全部易错点，共计50分） 一、情景交际（8×1′=8分） 1. 你想告诉同学你比以前更高，可以说： A. I am tall. B. I am taller than before. C. I am the tallest. 2. 你想说 Peter 擅长运动，可以说： A. Peter is good at sport. B. Peter is good sport. C. Peter good at sport. 3. 你想说这朵花是花园里最高的，可以说： A. This flower is taller in the garden. B. This flower is the tallest in the garden. C. This flower is the taller in the garden. 4. 你想说大象比马重，可以说： A. An elephant is heavy than a horse. B. An elephant is the heaviest than a horse. C. An elephant is heavier than a horse. 5. 你想表达你有比以前更多的朋友，可以说： A. I have more friends than before. B. I have much friends than before. C. I have friends than before. 6. 同学问你 Peter 是不是比赛中最棒的，你应该说： A. Yes, he is best. B. Yes, he is the best. C. Yes, he is the better. 7. 你想说你擅长画画，可以说： A. I am good at draw. B. I am good at drawing. C. I good at drawing. 8. 你想说大象是最大的动物，可以说： A. An elephant is bigger animal. B. An elephant is the biggest animal. C. An elephant is the bigger animal. 二、单项选择（10×1′=10分） 1. I’m ________ than before. A. tall B. the tallest C. taller 2. An elephant is ________ than a horse. A. heavyer B. heavier C. more heavy 3. Peter is the ________ at the game. A. best B. better C. good 4. A tiger runs ________ than a rabbit. A. fast B. the fastest C. faster 5. Your flower is ________ in the garden. A. the taller B. the tallest C. taller 6. Max is good ________ ping-pong. A. in B. at C. on 7. I have ________ friends than before. A. much B. more C. most 8. XiaoLu is ________ in the class. A. thin B. the thinner C. the thinnest 9. Peter gets up ________ than before. A. early B. more early C. earlier 10. She is good at ________. A. swim B. swims C. swimming 三、写出下列形容词的比较级和最高级（5×2′=10分） 1. tall ________ ________ 2. big ________ ________ 3. heavy ________ ________ 4. good ________ ________ 5. thin ________ ________ 四、完形填空（6×2′=12分） 阅读短文，选择正确答案。 Today is the “A Better Me” show. Dapeng says, “You are all 1 than me.” But Qiqi says, “You help us a lot!” Lingling says, “You play with us 2 .” Dapeng is happy. He has 3 friends than before. Peter is good 4 sport. He is the 5 at basketball. But Max says, “Together we are 6 !” ( )1. A. good B. the best C. better ( )2. A. more B. most C. much ( )3. A. much B. more C. most ( )4. A. in B. at C. on ( )5. A. good B. better C. best ( )6. A. the best B. better C. good 五、阅读理解：判断正（T）误（F）（5×2′=10分） 阅读短文，判断正误。 There are three children in the park. Peter is the tallest. He is good at basketball. He is the best at the game. Lingling is the thinnest, but she runs the fastest. Dapeng is shorter than Peter, but he has more friends than before. He plays with his friends every day. “I’m a better me now!” says Dapeng. “I have more friends and I help them more.” Peter says, “You are better than before, Dapeng. Together we are the best!” ( ) 1. Peter is the tallest of the three children. ( ) 2. Lingling is the thinnest, and she runs slower than Peter. ( ) 3. Dapeng is taller than Peter. ( ) 4. Dapeng has more friends than before. ( ) 5. Peter is the best at basketball, and Dapeng is the best at basketball too. 参考答案 【知识演练01】 一、1. taller than 2. smaller than 3. earlier than 4. more; than 二、5. B 6. B 【知识演练02】 一、1. taller 2. bigger 3. heavier 4. better 5. thinner 6. earlier 二、7. B 8. C 【知识演练03】 一、1. the tallest 2. the biggest 3. the fastest 4. the best 5. the heaviest 6. the thinnest 二、7. A 8. A 【知识演练04】 一、1. am 2. is 3. are 4. dancing 二、5. B 6. C 综合提升 一、情景交际 1. B 2. A 3. B 4. C 5. A 6. B 7. B 8. B 二、单项选择 1. C 2. B 3. A 4. C 5. B 6. B 7. B 8. C 9. C 10. C 三、比较级和最高级 1. taller / the tallest 2. bigger / the biggest 3. heavier / the heaviest 4. better / the best 5. thinner / the thinnest 四、完形填空 1. C 2. A 3. B 4. B 5. C 6. A 五、阅读理解 1. T 2. F 3. F 4. T 5. F 1 学科网（北京）股份有限公司 $