高考英语《情态动词》专项练习(含答案)第一节交际1■表示“请求”,请别人做事。用 will,would,can,could。句型:1)Will/Wouldyou(please)do…?(2)Can/Couldyoudo…?在这两个句型中 would,could 比 will,can 更正式、客气。Will/Wouldyoupleaseexplainthetextonceagain?Can/CouldyoutellmewhattimeFlight312arrives?2■询问是否“许可”。用 can/could,may/might句型:(1)May/MightIdo…?(2)Can/CouldIdo…?在这两个句型中 could,might 比 can,may 更正式、客气。—CouldIuseyourcar?一 Yes,ofcourse,youcan?(回答必须用 can)—MightIhavealookatyournewcomputer?一 Yes,youmay(回答必须用 may)或 Pleasegoahead.3■自己想做,要求对方做决定,即征询对方意见。用 shall,用于第一人称和第三人称。句型:ShallI(we,he,sheit,they)…?译“要不要…?”一 Theroomissodirty.Shallwecleanit?一 Ofcourse.(03 全国春季)Shallthesegoodsbesentovertoyouatonce?要不要把这些货物马上送给你?4.表示规劝,建议1)正面的规劝,表示“最好”,“应该”,或“必须”做某事。①表示“最好”,用 hadbetter,may/mightaswell 或 Itisbetter/besttodosth.Youmightjustaswelltellthemanufacturerthatmalecustomersmaynotlikethedesignofthefurniture.Ifyouareplanningtospendyourmoneyhavingfunthisweek,betterforgetit一 you'vegotsomebigbillscoming.(04 广东卷)(betterforgetit 相当于Youhadbetterforgetit.)②表示“有义务或有必要”用 should 或 oughtto。即“应该”Ifyouseeanythingunusual,youshouldcallthepolice.③ 用 must 译:“必须”Theguiderequiredthatallpassengersmustwearseatbelts.导游要求所有旅客必须系安全带。2)反面的规劝,表示“不必”,“不应当”,或“不许”做某事。① 表示“不必”用 needn't 或 don'thaveto。---Idon'tmindtellingyouwhatIknow.---Youneedn't.I'mnotaskingyouforit.(04 江苏卷)Youneedn'treturn/don'thavetoreturnthebooknow.Youcankeepittillnextweek.② 表示“不应该”用 shouldn't 或 oughtn'tto。Weshouldn'tthrowcoldwateronthem.我们不应当给他们泼冷水。③ 表示“不许”,用 mustn't。Youmustn'tsmokeinclass.上课时不准吸烟。needn't/don'thavetoTshouldn'tTmustn't 语气逐步加强 5.须区别或注意的情态动词1)can,could 与 ...