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eedn’t或don’t have to,意為“不需要,不必”,不能用mustn’tMust I finish the work today?No, you needn’t.我今天必須完成這項(xiàng)工作嗎?不,你不必。(4)need 和dare的用法二者既可作情態(tài)動(dòng)詞也可作實(shí)義動(dòng)詞動(dòng)詞意義及用法說(shuō)明例句need情態(tài)動(dòng)詞沒(méi)有人稱(chēng)和數(shù)的變化,直接接動(dòng)詞原形, 只用于否定句或疑問(wèn)句,構(gòu)成否定句或疑問(wèn)句時(shí)不用助動(dòng)詞。實(shí)義動(dòng)詞有人稱(chēng)和數(shù)的變化,可用于肯定句、否定句或疑問(wèn)句,構(gòu)成否定句或疑問(wèn)句時(shí)要用助動(dòng)詞do,does, didHe doesn’t need to do it.他不需要做那件事。should常用來(lái)表示義務(wù)、責(zé)任We should obey traffic rules.我們要遵守交通規(guī)則。 May I park my car here?No, you should park the car in the car park.182。 A teacher ___also make a mistake if he is not careful enough.182。 ?在否定句中,若語(yǔ)氣肯定,表示”不可能”時(shí)用can’t。Would you tell me the way to the park? 你能告訴我去公園的路嗎?must和have/has to的區(qū)別意思均為“必須“,??梢曰Q。maybe和may be的區(qū)別may為情態(tài)動(dòng)詞,后加動(dòng)詞原形be,常用在句中; maybe為副詞,表示“大概,也許”,相當(dāng)于perhaps,常用于句首。 Let’s set out for Beijing before 5 . Then we___(能夠)get there before sunrise.182。 Mother was badly il