Unit 4情态动词-2025-2026学年高中英语必修二语法考点精讲（译林版）

必修2译林版 【寒假专版】B版考点精讲 寒假专版 情态动词 语法专项突破 考点精讲 考点一：can的基本用法 规则：表示”能力”或”客观可能性”，否定式cat表示”不可能 例题l：She can speak three foreign languages fluently. 一Can you finish the report today?【2023XX市高二期末】 -Yes,I.It's not that difficult. A.must B.canC.need D.(答案：B) 例题2：Yoube serious！We just met yesterday and you're already leaving?【2022XX省联考】 A.nustn'tB.needn'tC.can'tD.won't(答案：C) 考点二：may/might的基本用法 规则：may表示”许可”或”可能性”，might语气更委婉；否定式may not表示不允许” 例题1：You may use my dictionary if you need it. 一I borrow your umbrella?It's raining heavily.【2021XX市高一期末】 -Sure,here you are. A.MstB.Should C.MayD.Need(答案：C) 例题2：He_come to the par'ty tonight,butI'm not sure..【2023新高考模拟】 A.nust B.night C.should D.can(答案：B) 考点三：must/have to的基本用法 规则：must表示”主观必须'，否定式mustn't表示禁止”；have to表示”客观需要”，否定式don't have to表示”不必” 例题l:You must wear a seatbelt when driving Youpark here!It'sano-parking zone.【2022XX省高考真题】 A.needn'tB.mustn'tC.won'tD.wouldn't(答案：B) 例题2：Istay up late last night because I had too much homework.【2021】 XX市高二质检】 A.must B.should C.had to D.might(答案：C) 必修2译林版 【寒假专版】 B版考点精讲 考点四：should/ought to的基本用法 规则：表示”应该”（责任/义务)，ought to语气稍强；否定式shouldn't/ought not to 例题1：You should apologize for being late. We-protect the environment instead of destroying it.【2023XX省联考】 A.canB.must C.should D.may(答案：C) 例题2：You have told me the truth earlier.Now it's too late.【2022XX市高三一模】 A.should B.need C.would D.must(答案：A) 考点五：wil/would的基本用法 规则：will表示”意愿/习惯/将来”；would表示过去习惯/委婉请求 例题l:She will help anyone in need.. 一Would you please pass me the salt?【2021XX市高一期末】 A.Yes,I will B.No,I wouldn't C.Yes,please D.No,thanks (答案：A) 例题2：When he was young,he_swim in the river every summer.【2023X省高考模拟】 A.would B.will C.should D.must(答案：A) 考点六：情态动词表推测 规则：对现在/将来推测：must(肯定)/may/might(可能)/can't(不可能)+动词原形 对过去推测：must/may/might/can't+have+过去分词 例题1：He must be at home now.(现在推测) She might have missed the bus.(过去推测) The ground is all wet.It rained heavily last night.【2022全国乙卷】 A.must B.need C.should D.can(答案：A) 例题2：—Where is Tom?He_be in the library.【2023XX市高二期末】 -I saw him go to the playground just now. A.must B.can'tC.mayD.should(答案：B) 考点七：情态动词+have done的特殊用法 规则：could have done:本可以做（却未做） should have done:本应该做（却未做） needn't have done:本不必做（却做了） 例题l:You could have told me the news earlier. You have bought so much food.We already have enough.【2021XX省联考】 A.needn'tB.mustn'tC.can'tD.shouldn't(答案：A) 必修2译林版 【寒假专版】 B版考点精讲 例题2：If you had tried harder,youthe exam.【2022XX市高三二模】 A.should pass B.could pass C.could have passed D.must have passed (C) 考点综合训练 I单项选择 l.一I borrow your dictionary？I left mine at home. A.Must B.May C.Should D.Need 2.Youplay with fire!It's dangerous. A.mustn't B.needn't C.can't D.won't 3.She have arrived by now-her flight was scheduled to land an hour ago. A.must B.should C.might D.would 4.If yousee Lucy,tell her to call me back. A.will B.would C.should D.may 5.The ground is dry.It rained last night. A.mustn't B.needn't C.can't D.shouldn't 6.Heswim very well when he was five years old. A.would B.will C.could D.should 7.You have told me the truth earlier.Now it's too late to change anything. A.should B.need C.must D.might 8.-Would you like to go to the movies with me? -Yes,I_. A.will B.would C.may D.shall Ⅱ.完成句子 1.你本不必买这么多水果，我们已经有很多了。 You so much fruit.We already have a lot. 2.他不可能在教室里，我刚才看到他在操场上。 He in the classroom.I saw him on the playground just now. 3.如果可能的话，我会帮你解决这个问题。 I help you solve the problem if possible. 4.学生们应该按时完成作业。 Students_their homework on time. 3 必修2译林版 【寒假专版】 B版考点精讲 5.她过去常常每天早上六点起床。 She_up at six o'clock every morning. Ⅲ.短文改错下面短文中共有5处与情态动词相关的错误，请找出并改正 I wish I can speak English as fluently as you do. My teacher suggested that I must practice speaking every day. If I studied harder last term,I would pass the exam You mustn't have told him the secret;he looks so angry now. It's time that we go to bed,or we will be late tomorrow. V.语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式 Tom is a careful student,but he 1.-(can)not finish his homework yesterday because he was ill.His teacher said he 2.-(need)not hand it in today.Tom's mother suggested he 3.(take)a rest at home, but he refused.He said he 4.-(must)go to school because there was an important test. On his way to school,he met Lucy.She said she 5.-(may)help him with the homework after school. Tom was happy and said he 6.-(will)appreciate it.When they arrived at school,the teacher told them the test 7.-(might)be put off until next week.Tom smiled and thought,"I8.(should)have worried so much!" 参考答案 I.单项选择 1.B2.A3.B4.C5.C6.C7.A8.A Ⅱ.完成句子 1.needn't have bought 2.can't be 3.will 4.should finish 5.would get Ⅲ.短文改错 l.can→could2.must→should3.would pass→would have passed 4.mustn't→shouldn't5.go→went(或go前加should) V.语法填空 1.could 2.need 3.(should)take 4.must 5.might 6.would 7.might 8.shouldn't 4