情态动词 can could-2025-2026学年七年级英语下册语法考点精讲（仁爱版）

7下仁爱版 【寒假专版】B版考点精讲 寒假专版 情态动词can/could 语法专项突破 考点精讲 考点一：can表示“能会做某事”的基本用法 规则：can用于一般现在时，主语后直接加动词原形，否定形式为cant,疑问形式将can提到主 语前。 例题1： (选择，仁爱版初中期末真题改编)：She_swim very well.A.canB.could C.must D should (答案：A) 例题2： (填空)：一Can you speak English?一No,I一.（答案：cam't) 考点二：could表示“过去的能力”或“委婉请求”的用法 规则：could可表示过去具备的能力（此时could是can的过去式），也可用于现在时表示委婉请 求（回答仍用can)。 例题l:(选择)：He ride a bike when he was five.A.canB.could C.wilD.may (答案：B) 例题2：（句型转换）：Can you help me?(改为委婉语气)一you help me? (答案：Could) 考点三：can/could表示“可能性”的用法 规则：can常用于否定句和疑问句表示“可能性”（肯定句通常用may/might):could可用于肯定 句、否定句或疑问句表示“不确定的可能性”。 例题1：（选择）：Where is Tom?一He_be in the library.I'm not sure.A.canB.could C.must D.need (答案：B) 例题2： (填空)：It_rain tomorrow,so take an umbrella. (答案：could) 考点四：can't表示“不可能”的否定推测 规则：can't用于否定句，表示“不可能”，语气较肯定。 例题1： (选择)：The answer_be right..It'stotally wrong.A.canB.can'tC.must D.mustn't(答 案：B) 例题2： 7下仁爱版 【寒假专版】B版考点精讲 考点综合训练 一、单项选择 1.My brotherplay the piano when he was six years old. A.can B.could C.must D.should 2.-you pass me the dictionary,please? -Sure,here you are. A.Can B.Could C.Must D.Need 3.She be at home now.I saw her go out ten minutes ago. A.can B.could C.can't D.must 4.-Where is Lucy? -She be in the playground.I'm not sure. A.can B.could C.must D.should 5.Youswim in this river.It's very dangerous A.can B.could C.can't D.mustn't 6.-Can your father drive a car? -Yes,he A.can B.could C.can't D.must 二、语法填空 1.My little sister_(can)ride a bike last year,but now she-(can not). 2.-(can)you speak Japanese? -No,I 3.It_(could)rain this afternoon,so take a raincoat with you. 4.He_(can)play basketball very well when he was young. 5.The answer(can not)be correct.It has a spelling mistake. 三、句型转换 1.He can speak French.(改为否定句) Hespeak French. 2.They can swim in the lake.(改为一般疑问句) swim in the lake? 3.Can you help me with my homework?(改为委婉语气) -you help me with my homework? 2 7下仁爱版 【寒假专版】 B版考点精讲 4.She could dance well when she was five.(对划线部分提问) shewhen she was five? 四、篇章填空 Tom is a student in Grade 8.He 1.(can)play the guitar very well now,but he 2.-(can not)play it at all two years ago.Last month,his music teacher asked,"3.-(could)you play a song for the school party?"Tom was nervous but said,"Sure,I 4.(can)try."He practiced every day and finally played beautifully at the party. Now,Tom often helps his classmates with music.One day,Lily said,"I 5.(can not)sing this song well.Can you teach me?"Tom smiled and said,"Of course!You 6.(could)do it if you practice!" 参考答案 一、单项选择 1.B2.B3.C4.B5.C6.A 二、语法填空 1.could;can't 2.Can;can't 3.could 4.could 5.can't 三、句型转换 1.can't 2.Can they 3.Could 4.What could;do 四、篇章填空 1.can 2.couldn't 3.Could 4.can 5.can't 6.could 3