1、(完整版)情态动词should的讲解 情态动词should一:用来表示现在或者将来的责任、义务,译为应该、应当,在此情况下可与ought to,be supposed to互换使用。例如:You should complete your text in time。二:用来表示意外、惊喜、不可思议的情况,译为竟然、竟会。例如:He should lie to me.(他竟然骗我)三:表示猜测、推论,译为可能、应该、总该例如:They should be home by now。 (他们现在应该回家了)四:在虚拟语气中1:在条件句中,表示对将来的假设例如:If it should rain tom
2、orrow, I wouldnt go. (= Should it rain tomorrow, I wouldnt go。)如果明天下雨我就不去了2:在suggest、decide、advise、order、demand、request、insist等表示建议、决定、劝告、命令、要求等动词后面,形式为主语+(should)+动词原形例如:He insisted that we (should )take up the matter at the meeting 他坚持要我们在会上提出这个事项。3:用在it is suggested/requested/ordered/proposed之后的由
3、that引导的主语从句中例如: It is requested that you (should) give a performance at the party。 大家要求你要在聚会上表演.4:用在suggestion/order/advice/request等名词之后引导的从句中例如:My idea/ motion/ advice/ is that we (should) do more eye exercises every day。(我的建议是我们应该每天都做眼保健操)5:用在it is/was necessary/important/strange等形容词引导的that从句,should译为应该、必须、竟然例如: It is necessary that he (should) be sent there at once. 有必要马上派他到那里去。 6:should have done结构:表示“本该”的意思,即过去应该做的而实际没做 否定shouldnt have done表示“本不该”例如:You shouldnt have dept those cells in the damp place。 你本来不该把那些电池放在潮湿的地方.(但实际上已经把它们放到潮湿的地方了。)