情態(tài)動詞復(fù)習(xí)(2)-wenkub.com
2025-08-01 16:33 本頁面
【正文】 情態(tài)動詞 + have + 過去 動作的猜測。 實意動詞用法似 dare,用作不定式。 used to 則還可以接表示狀態(tài)的動詞。 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。 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。 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）。 Eg. He used to be a worker. 8 情態(tài)動詞用于否定、疑問句；條件從句中。 need + not + have + 表示“本來不需要做而做了。 情態(tài)動詞的過去式與原形相比，多點禮貌，少點冒昧， 語氣更為委婉。 Eg. You ought not to have cut away the trees around the old building. 11 三點說明 情態(tài)動詞 + v 表示對 現(xiàn)在或?qū)?動作的猜測。 eg. I have never dared to tell him about it. 9 Need /needed 情態(tài)動詞用于否定句，疑問句。 should 過去式 語氣更委婉 Eg. You should have been five minutes ago. 7 Will/ would 表示意愿 I’ll try my best to overe the difficulty. 表示意圖 What will you do? 表示請示 Will you halp me to put these books in order? 表示習(xí)慣動作 She will sit for hours without saying a word. Would 與 used to Would 后只能接表示動作的動詞?！? 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(zhǔn)” 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。1 Revision for Modal Verbs March,2022 By He Bang 2 ● The basi
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