Unit 2 Know your body（易错题专项练习·语法提升）英语外研版三起三年级下册（新教材）

Unit 2 Know your body 专题02 语法提升·易错题专项训练 高频易错点03 I/You/We/They have got../ He/She/It（第三人称单数）+ has got... 高频易错点01 名词单复数（身体部位类）的正确使用 高频易错点02 祈使句（动作指令类）的用法 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 高频易错点01 名词单复数（身体部位类）的正确使用 易错精讲 单数：表示单个身体部位时用单数（a/an + 单数名词），如 a nose（一个鼻子）、an eye（一只眼睛，元音音素开头用 an）； 复数：表示两个及以上身体部位时用复数，如 two hands（两只手）、three legs（三条腿）、ears（耳朵，默认复数）。 易错点提示 常用身体部位复数形式： foot → feet（脚）、tooth → teeth（牙齿）、hand → hands、arm → arms、eye → eyes、ear → ears； 1. 单复数对应：has got 后接单数 / 不可数名词; have got 后接复数名词 Eg: He has got a big head; They have got small feet. 错误：She has got two foot. / I have got a ears. 正确：She has got two feet. / I have got two ears.）； 2. 固定搭配：有些身体部位常用复数，如 hands and feet（手脚）、eyes and ears（眼睛和耳朵）。 小练笔 ( )1. Look! The snowman has got two ______. A. eye B. eyes C. eye's D. eyes' ( )2.We walk with our ______. A. foot B. foots C. feet D. feets ( ) 3.She has got a small ______ and two big ______. A.nose; eye B. noses; eyes C. nose; eyes D. noses; eye 4. The boy has got white ______ (tooth). He brushes them every day. 5. 他有两只长胳膊和一双大手。（翻译句子） He has got two long ______ and two big ______. 点拨 选择题答案及解析 1. B. two 后接复数名词，eye 的复数是 eyes，故选 B； 2. C. foot 的复数是不规则变化 feet，故选 C； 3. C. a 后接单数 nose，two 后接复数 eyes，故选 C； 4. teeth. tooth 的复数是 teeth，由 them 可知用复数； arms; hands. “胳膊” 复数为 arms，“手” 复数为 hands。 高频易错点02 祈使句（动作指令类）的用法 易错精讲 核心用法 肯定式：动词原形开头，表 “做某事”，如 Touch your toes!（摸摸你的脚趾！）、Move your legs!（动动你的腿！）； 否定式：Don't + 动词原形，表 “不要做某事”，如 Don't touch your eyes!（不要摸你的眼睛！）、Don't move your head!（不要动你的头！） 易错点提示 动词形式：祈使句开头用动词原形，不可用第三人称单数 错误：Touches your nose! 正确：Touch your nose!； 否定形式：直接在动词原形前加 Don't，不可用 Doesn't 错误：Doesn't touch your mouth! 正确：Don't touch your mouth!； 搭配介词：后接身体部位时，需用形容词性物主代词（your/my/his/her），不可直接接名词 错误：Touch nose! 正确：Touch your nose! 小练笔 单项选择 ( )1. ______ your ears! Can you hear me? A. Touch B. Touches C. Touching D. To touch ( )2. ______ look at your hands. Wash them first. A. Not B. Don't C. Doesn't D. Isn't ( )3. ______ your arms up! Let's exercise. A. Put B. Puts C. Putting D. To put 4. ______ (not move) your legs. Sit quietly. 5.摸摸你的嘴巴和鼻子。（翻译句子） ______ your ______ and . 点拨 1. A. 祈使句用动词原形开头，故选 A； 2. B. 否定祈使句用 Don't + 动词原形，故选 B； 3. A. 祈使句用动词原形 put，put up 表示 “举起”，故选 A； 4. Don't move. 否定祈使句用 Don't + 动词原形； Touch; mouth; nose. 祈使句用动词原形 Touch，“嘴巴” 和 “鼻子” 用单数形式。 高频易错点03 I/You/We/They have got../ He/She/It（第三人称单数）+ has got... 易错精讲 本单元重点特殊疑问句是“What are they?”（它们是什么？），用于询问复数事物（尤其是动物）的身份，其答句为“They are + 复数名词.”（它们是……）。 1. 句型结构： - 问句：What are they? 它们是什么？ - 答句：They are + 复数动物名词. 它们是……。 - 例句：—What are they? —They are pandas. 它们是熊猫。 2. 拓展： 询问单数动物的身份用“What is it?”（它是什么？），答句为“It is + a/an + 单数动物名词.”（它是……）。 - 例句：—What is it? —It is an elephant. 它是一头大象。 易错点提示 主谓一致： 1. 第三人称单数（He/She/It）必须搭配 has got，不可用 have got； 2. 复数主语（I/You/We/They）搭配 have got Eg: 错误：She have got big eyes. / They has got short legs. 正确：She has got big eyes. / They have got short legs.）； 3. 缩写形式：has got 缩写为's got. have got 缩写为 've got Eg: He's got = He has got, I've got = I have got 4. 否定形式 haven't/hasn't 不可漏写 n't； 5. 回答一致：以 Have you/they... 开头的问句，用 have/has 回答，不可用 do/does Eg: 错误：—Have you got a nose? —Yes, I do. 正确：—Have you got a nose? —Yes, I have.）。 小练笔 ( )1. I ______ two feet. They are big. A. has got B. have got C. has D. have ( ) 2.—______ she got long hair? —Yes, she ______. A. Has; has B. Have; have C. Has; haven't D. Have; hasn't ( ) 3.They ______ got small hands. They can't carry big things. A. hasn't B. haven't C. hasn't got D. don't have 4.He ______ (have/has) got a big mouth. He likes singing. 5.我们有两只耳朵。（翻译句子） We ______ ______ two ______. 6.她没有短胳膊。（翻译句子） She ______ ______ short ______. 点拨 1. B. 主语 I 搭配 have got，强调 “拥有”，故选 B； 2. A. 主语 she 是第三人称单数，用 Has 提问，肯定回答用 has，故选 A； 3. B. 主语 they 是复数，否定形式用 haven't got，故选 B； 4. has. 主语 He 是第三人称单数，用 has got； 5. have got; ears. “拥有” 用 have got，“耳朵” 复数为 ears； hasn't got; arms. 主语 she 是第三人称单数，否定形式用 hasn't got，“胳膊” 复数为 arms。 综合训练 1、 用括号内单词的正确形式填空 1. What ______ (have/has) the boy got? 2. He ______ (have/has) got a long neck. 3. They ______ (haven't/hasn't) got big feet. 4. Their ______ (foot) are small. 5. The girl ______ (with/in) red hair ______ (have/has) got two big eyes. 6. ______ (not touch) your teeth with dirty hands. 7. We have got ten ______ (finger) and two ______ (hand). 2、 单项选择题 ( ) 1.— you got a small mouth? —Yes, I ______. A. Has; have B. Have; have C. Has; has D. Have; has ( )2. The baby has got four ______ and two ______. A. tooth; foot B. teeth; foot C. teeth; feet D. tooth; feet ( )3. Look at the boy ______ short arms. He can't reach the book. A. in B. on C. with D. at ( )4. ______ move your head! Listen carefully. A. Don't B. Doesn't C. Not D. Isn't ( )5. She ______ got a red mouth and her eyes ______ black. A. has; is B. have; are C. has; are D. have; is 3、 句型转换 1. He has got a big nose.（改为否定句） He ______ ______ a big nose. 2. We have got two hands.（改为一般疑问句） ______ you ______ two hands? 3. Touch your toes.（改为否定句） ______ ______ your toes. 4. The girl with long hair is my friend.（对画线部分提问） ______ girl is your friend? 5. 他有两只大眼睛和一对小耳朵。（翻译句子） He ______ ______ two big ______ and two small ______. 参考答案 1、 用括号内单词的正确形式填空 1. has; 2. has ; 3. haven't; 4.feet; 5. with; has; 6. Don't touch; 7. fingers; hands 2、 单项选择题 1.B 2. C 3. C 4. A 5. C 3、 句型转换 1.hasn't got 2. Have; got 3. Don't touch 4. Which 5. has got; eyes; ears 第 1 页 共 14 页 学科网（北京）股份有限公司 $