Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册

2025-08-11
| 14页
| 4082人阅读
| 1247人下载
普通

摘要:

该高中英语课件系统梳理情态动词分类、高频词用法、推测时态差异、“情态动词+have done”结构及易错点辨析,以分类与基本特征为导入,逐步进阶至高考核心考点,构建从基础到应用的学习支架。 亮点在于聚焦高考高频考点,通过例句解析(如should have done表“本应做却未做”)和对比辨析(must与have to的主客观区分)培养语言能力与思维品质,练习题结合答案即时反馈提升学习能力。学生能精准掌握考点,教师可高效教学。

内容正文:

高考情态动词核心考点解析 目录: 1. 情态动词的分类与基本含义 2. 高频情态动词用法(must, can, may, should等) 3. 情态动词表推测的用法(时态差异) 4. 情态动词的特殊结构(如“情态动词+have done”) 5. 易错点辨析 情态动词的分类与特征 - 分类: - 基础类:can/could, may/might, must, will/would, shall/should - 半情态动词:need, dare(可作情态动词/实义动词) - 特征: - 无人称和数的变化(除have to) - 后接动词原形,否定式直接加not - 一般疑问句将情态动词提前 must的用法 - 核心含义: 1. 表“必须”(否定用needn’t,不用mustn’t) 例:—Must I hand in the paper today? —No, you needn’t. 2. 表“肯定推测”(用于肯定句,语气最强) 例:He must be at home. The light is on. 3. mustn’t表“禁止” 例:You mustn’t park here. can/could的用法 - 核心含义: 1. 表“能力”(could为过去式) 例:She can speak three languages. 2. 表“许可”(could更委婉) 例:Could I use your phone? 3. 表“推测”(can用于否定/疑问句;could可用于肯定句,语气弱) 例:—Can he be in the office? —No, he can’t. may/might的用法 - 核心含义: 1. 表“许可”(may较正式,might更委婉) 例:You may leave early today. 2. 表“推测”(用于肯定句,might语气比may弱) 例:He may/might come tomorrow, but I’m not sure. 3. may well表“很可能”;may as well表“不妨” 例:You may as well try again. should/ought to的用法 - 核心含义: 1. 表“应该”(ought to语气稍强,否定用oughtn’t to) 例:You should respect your parents. 2. 表“推测”(意为“按理说应该”) 例:The train should arrive at 8:00. 3. should have done表“本应该做却没做”(高考高频) 例:You should have told me the truth. will/would的用法 - 核心含义: 1. will表“意愿、请求”(would更委婉) 例:Will you help me carry the box? 2. would表“过去习惯性动作” 例:He would go for a walk after dinner. 3. 表“推测”(will表“肯定会”;would表“过去可能会”) 例:This will be the book you want. 情态动词+have done - 核心用法(高考必考点): 1. must have done:过去肯定做了(推测) 例:He must have finished the work. 2. can’t/couldn’t have done:过去不可能做了 例:She can’t have seen you. She was abroad. 3. should have done:本应该做却没做 4. needn’t have done:本不必做却做了 例:You needn’t have bought the gift. 易错点辨析(1) - must vs. have to: - must表主观“必须”;have to表客观“不得不”(有人称/时态变化) 例:I must study hard.(主观)/ It’s raining, so I have to stay at home.(客观) - can vs. be able to: - can只有现在/过去式;be able to可用于各种时态 例:He will be able to finish it by Friday. 易错点辨析(2) - may not vs. can’t: - may not表“可能不”(推测);can’t表“不可能”(语气肯定) 例:He may not come.(不确定)/ He can’t come.(肯定不来) - should表推测 vs. must表推测: - should表“按道理应该”;must表“肯定”(语气更强) 1. You ______ (not must) smoke in public places—it’s against the law. 2. The ground is wet. It ______ (rain) last night.(提示:表肯定推测) 3. He ______ (can) speak French fluently when he was young. 4. You ______ (should) have told me the news earlier—I was so worried. 5. ______ (may) I use your dictionary for a moment? 6. She ______ (not can) have left yet—her bag is still here. 7. If you ______ (must) go, at least wait until the rain stops. 8. You ______ (ought) to respect the old, as it’s a traditional virtue. 9. He ______ (will) often sit for hours reading books when he was a child. 10. There ______ (may) be a storm tonight, so we’d better stay at home. 1. mustn’t(表“禁止”,must的否定禁止用mustn’t) 2. must have rained(表过去肯定推测,用must+have done) 3. could(表过去的能力,can的过去式) 4. should(表“本应该做却没做”,用should have done) 5. May(表请求许可,用may开头的一般疑问句) 6. can’t(表过去不可能,用can’t+have done) 7. must(表“偏要、一定要”,符合语境“如果你一定要走”) 8. ought(ought to表“应该”,to不可省略) 9. would(表过去习惯性动作,用would) 10. may(表对现在的推测,“可能会有暴风雨”) $$

资源预览图

Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册
1
Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册
2
Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册
3
Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册
4
Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册
5
Unit5 The Value of Money Discovering Useful Structures课件-2024-2025学年高中英语人教版必修第三册
6
相关资源
示范课
由于学科网是一个信息分享及获取的平台,不确保部分用户上传资料的 来源及知识产权归属。如您发现相关资料侵犯您的合法权益,请联系学科网,我们核实后将及时进行处理。