eed和dare的用法.doc

--e?--Yes,youmust.--我需要来吗?--需要。Youneedn’。Idon’。。HowdareyousayI’munfair?你竟敢说我不公平?。’。。Thetableneedspainting(tobepainted.).桌子需要油漆一下。。Hedidnotdare(to)。Idaredayhe’。(Idaresay…为固定习语)hadbetter,should,oughtto用法 hadbetter,should,oughtto是重要的情态动词,也是高考重要考点,学习时应注意下列几点:一、了解相互间关系hadbetter(最好),should(应该)与oughtto(应该)均为提建议、阐述观点的情态动词,其后接动词原形。should比hadbetter语气强,oughtto语气最强。一般情况下should与oughtto可通用。例1:。例2:Yououghtto/。值得注意的是:should还有"竟然"之意,表出乎意料。例:Youcan'hatawell-。二、掌握句型变换方法hadbetter,should,oughtto作为情态动词,各种句型变换均在自身形式上作变化。(一)否定句hadbetter,should,oughtto用于否定句时,否定词均位于其后,具体形式为:hadbetternotdo,shouldn't/shouldnotdo,oughtn'ttodo。例1:。例2:Heshouldn'。例3:Sheoughtn'。(二)一般疑问句hadbetter,should,oughtto用于一般疑问句时,分别将had,should,ought提至句首。例1:Hadhebetterstartearlyatonce?他最好立即出发吗?例2:Shouldyoudolikethis?你应该这么做吗?例3:Oughthetogothere?他应该去那里吗?(三)反意疑问句陈述句谓语动词含hadbetter,should,oughtto时,反意疑问句为:had,should与ought+主格人称代词或hadn't,shouldn't,oughtn't+主格人称代词。例1:Youhadbetternotgohome,hadyou?你最好别回家,是吗?例2:Youshouldstudyhard,shouldn'tyou?你应该认真学习,是吗?例3:Heoughtn'ttospeakinclass,oughthe?你上课不应该讲话,是吗?三、掌握其完成式用法hadbetter没有完成式,should与oughtto完成式意义与用法完全相同。(一)should/oughttohavedone意为本来应做但实际没有做,表达遗憾的感情色彩。例:Therewasalotoffunatyesterday',butwhydidn'tyou?:答案D。该空含你本来应来但实际未来之意,应填oughttohave。(二)should/oughtn'ttohavedone,意为本来不应做但实际已做,表达遗憾的感情色彩。例:''''tleave析:答案B。该空含你本不应该一句话不说就离开家但实际已这么做之意,所以应填should