情態(tài)動詞復習(2)(已修改)
2025-08-16 16:33 本頁面
【正文】 1 Revision for Modal Verbs March,2022 By He Bang 2 ● The basic uses of Modal Verbs Dare Need ought to 三點說明 典型錯誤 Can / could May / might Must Shall / should will / would 3 1. Can 1. 表示能力 The parrot can speak three languages. 2. 表示允許 Can I borrow the book from the library. 3. 表示可能性 Shanghai can be very cold in March. Could 過去式；語氣更委婉 2. Can 與 be able to 1. Can 表示習慣能力， 而 be able to表示經(jīng)過那里而做成了某事。 2. 在否定結(jié)構(gòu)中，二者可以互換。 3. can./could + have + 、疑問句中表示“對過去發(fā)生行為 的可能性猜測。 2. 在肯定句中表示“本來可以做而未做” 1. The door was lacked. She couldn’t have been at home. 2. You could have been more careful. 4 1. May 1. 表示可能性 2. 表示允許 3. 表示祝愿 Might 過去式；語氣更委婉 2. may/might + have + 、肯定句中表示對過去動作的推測 “也許是 ……” 2. Might+have+，表“勸告、責備之意?！? Eg. 1. She may be still waiting for us. 2. May I e in? you have a happy holiday. Eg. 1. He might have spoken to her yesterday. 2. You might have told me earlier. 5 1. Must 1. 表示肯定的猜測 ,但只用于肯定句， 2. 而 mustn’t 表示“禁止、不準” 2. Must 、 have to 與 have got to 1. Must表示主觀 2. Have to表示客觀需求 3. Have got to 多見于口語 3. must + have + 對過去事情的肯定猜測。 Eg. The road id wet. It must have rained last night. 6 Shall /should 第一、三人稱疑問句中表示“請求 或征求對方意見。 Eg. Shall I get you a cup of coffee? 第二、三人稱陳述句中 表示允諾 “會（得到）。 表示命令 /警告 威脅 “該回必須” shall/sh
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