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1、典型例 精析DIAN XING LI TI JING XI规律总结The fire spread through the hotel very quickly but everyone _ get out.可以用于多种 be able toA. had toB. would ,如:一般 在 、一般C. couldD. was able to 去 、将来 和完成 解析: 在考 could 与 was able to 之 的区 。 was able to 表等示。在can困 和的be情able况下,to 不能重 一番周折而能叠使用。答案: DWhen can I come for the phot
2、os? I need them tomorrow morning . 于情 的使用,要注 They _ be ready by 12:00 .意相关的 言情景和 气,A. canB. should充分 系上下文, 然后确定C. mightD. need正确答案。解析: 考 情 should 表示推 的用法。can 和 might 都可以表示可能性,用might 气更加不肯定。 need 表示需要, 必 。 should 可以表示推 , 意 : 当、 。根据第一个 者 的I need them tomorrow afternoon的 境,可以确定正确答案。答案: BI stayed at a h
3、otel while in New York .Oh, did you? You _ with Barbara . A. could have stayedB. could stay C. would stayD. must have stayed注 意 情 态 动 词can/could表示猜 和虚 气的区 。 can/could表示猜 多用于否定句和疑 句中。解析: 考 “情 +不定式的完成式”的用法,从会 的 境看,空白 填“could have done ”表示 去本来能做到的事而事 上没有做到。答案: AI told Sally how to get here, but perhaps I _ for her .A. had to write it outB. must have written it outC. should have written it outD. ought to write it out解析: should have done ,表示“ 去本 做某事,而 上没做”答案: C注意 should have done 所表达的感情色彩。第 1页共 1页