3.情态动词表能力礼貌请求-2025-2026学年英语期末语法复习七年级上册（鲁教版五四制）

期末语法复习 7上（新）·鲁教版（五四制）·情态动词can/could表能力/礼貌 请求 一、情态动词can/could的核心用法详解 核心词汇：can,could 一、核心考点解析·考点1 考点：can表能力的基本用法 规则：can表示现在的能力，意为“能；会”，否定形式为cant(cannot的缩写)，意为 “不能：不会”。 真题再现（鲁教七上期末真题改编）： She speak English well. A)can B)could C)must D)should 答案：A 例题练习： -Can you swim?-No,I_ 答案：cant 二、核心考点解析·考点2 考点：could表过去能力的用法 规则：could表示过去的能力，意为“（过去）能；会”，否定形式为couldn't,意为“（过 去)不能；不会”。 真题再现（鲁教七上期末真题改编）： He_ride a bike when he was five A)can B)could C)will D)shall 答案：B 三、核心考点解析·考点3 考点：ca/could表礼貌请求的用法 规则：can用于非正式场合的礼貌请求，cold比can语气更委婉，二者均可用于向他 人请求许可或帮助，回答时通常用can/can't,不用cold/couldn't。 真题再现（鲁教七上期末真题改编）： -I use your pen?-Sure,here you are. A)Must B)Should C)Could D)Will 答案：C 例题练习： Can you help me?(改为更委婉的表达)you help me? 答案：Could 四、核心考点解析·考点4 考点：can的一般疑问句及回答 规则：can引导的一般疑问句结构为“Can+主语+动词原形+其他？”，肯定回答用 “Yes,主语+can.”,否定回答用“No,主语+can't.”。 真题再现： —you play the piano?—Yes,I 答案：Cam;can 二、考点综合训练 (一)单项选择 1.He_swim fast when he was ten years old A)can B)could C)must D)should 2.-I borrow your dictionary? —Sure,here you are. A)Must B)Should C)Could D)Will 3.My sisterplay the piano now,but shewhen she was five. A)can;couldn't B)could;can't C)can;could D)could;can 4.-Can you speak Japanese? —No,I- A)can B)could C)can't D)couldn't 5.They finish the work by themselves yesterday. A)can B)could C)can't D)couldn't (二)语法填空 1.-(can)you ride a bike? -Yes,I can. 2.She_(not can)dance,but she can sing well. 3.My father(could)drive a car when he was 20. 4.-Could I use your phone? -Yes,you(can). 5.We_(can)play basketball now,but we-(could not)last year. (三)句型转换 1.Tom can play footbal.(改为否定句) Tom_football. 2.They could swim in the river.(改为一般疑问句) swim in the river? 3.Can you help me with my homework?(改为更委婉的表达) -you help me with my homework? 4.The girl can speak English.（对划线部分提问) the girl? (四)篇章填空 Hi,I'm Lucy.I 1.(can)play the guitar very well now,but I 2.(could not)do it two years ago.My brother Mike 3.-(could)play chess when he was six.Now we often play together after school.Yesterday,Mike asked me,"4.-(could)you teach me to play the gui- tar?"I said,"Sure!But 5.-(can)you teach me to play chess first?"He laughed and said, Of course I6._(can).” (五)参考答案与解析 1.单项选择答案：1.B2.C3.A4.C5.B 2.语法填空答案： 1.Can 2.can't 3.could 4.can 5.can;couldn't 3.句型转换答案： 1.can't play 2.Could they 3.Could 4.What can;speak 4.篇章填空答案： 1.can 2.couldn't 3.could 4.Could 5.can 6.can 英语语法复习手册·7上（新）·鲁教版（五四制）·情态动词cn/could表能力/礼貌请求