【正文】
need 作實(shí)義動(dòng)詞時(shí)后面的不定式必須帶 to,而 dare 作實(shí)義動(dòng)詞用時(shí) , 后面的 to 時(shí)??梢员皇÷?。 帶 to 的情態(tài)動(dòng)詞 帶 to 的情態(tài)動(dòng)詞有四個(gè): ought to, have to, used to, be to, 如加上 have got to ,(=must), be able to,為六個(gè)。本題為不需要,不必的意思,應(yīng)用 needn39。 needn39。復(fù)習(xí): will 與 you 連用,用來提出要求或下命令。 Would you like to go with me? 2) Will you…? Would you like…? 表示肯定含義的請(qǐng)求勸說時(shí),疑問句中一般用 some, 而不是 any。 had better do sth had better not do sth It is pretty cold. You39。否定句表示 不該做某事而做了 。t, couldn39。 3)情態(tài)動(dòng)詞 +動(dòng)詞完成時(shí)。clock, he can39。t hear the phone. I must have been asleep. 我剛才沒有聽到電話,我想必是睡著了。 must 表示推測(cè) 1) must 用在肯定句中表示較有把握的推測(cè),意為 一定 。(主觀上要做這件事) 2) have to 有人稱、數(shù)、時(shí)態(tài)的變化,而 must 只有一種形式。 2) 成語: may/might as well,后面接不帶 to 的不定式,意為 不妨 。 He was able to flee Europe before the war broke out. = He managed to flee Europe before the war broke out. 注意: could 不表示時(shí)態(tài) 1)提出委婉的請(qǐng)求,(注意在回答中不可用 could)。 比較 can 和 be able to 1) can could 表示能力;可能 (過去時(shí)用 could), 只用于現(xiàn)在式和過去式 (could)。 6. … if I reach out, I can just touch him. 這里 reach out 表示 “伸出(手臂) ”。例如: Let’s keep to the point or we’ll never reach any decisions. Please keep to the left hand side of the stairs. 3. I’m starving! 我都快餓死了! 在非正式英語中,當(dāng)人們想表達(dá) “非常餓 ”這個(gè)概念的時(shí)候, 常說 “I’m starving!”例如: What’s for lunch? I’m starving! 4. Come on! I’ll lead the way. 這里 lead 表示 “帶(路), 領(lǐng)(路) ”。例如: I don’t know the way, so you’d better lead. You lead on and we’ll follow behind on the horses. Come on 在不同的情境有不同的意思。例如: The monkey reached out a hand for the banana. He reached his hand out for the phone and knocked over a glass. 7. For the next 10 days, every time there was a sudden noise, my blood went cold. 這里 go 表示 “處于(某種狀態(tài),尤指令人生厭的狀態(tài)) ”,其后可以接形容詞,如本句中的cold。 be able to 可以用于各種時(shí)態(tài)。 Could I have the television on? Yes, you can. / No, you can39。 If that is the case, we may as well try. 典型例題 Peter ___e with us tonight, but he isn39。但 must 可用于間接引語中表示過去的必要或義務(wù)。 2) must表對(duì)現(xiàn)在的狀態(tài)或現(xiàn)在正發(fā)生的