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should用法总结PPT课件
• He is working hard for fear that he should fall behind others.
• 他努力工作,唯恐落在别人后面。
• We went over the document again and again lest we should miss any of the main points.
• If it should (或 were to ) rain tomorrow, the sports meeting would be put off.
• = Should it rain tomorrow/ Were it to rain tomorrow, the sports meeting would be put off.
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• 二 . should 情态动词,通常用来表示现在或将 来的责任或义务,译作“应该”、“应当”,这 时它可以和 ought to,
be supposed to 互换使用。例如:
• You should (= are supposed to ) complete your test in time.
• 万一你来不了,就叫陈夫人代替你。
• If it should rain tomorrow, I wouldn't go. (= Should it rain tomorrow, I wouldn't go.)
• 万一明天天下雨,我就不去了。
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• 四 . should 作为情态动词,可以表示谦逊、客气、 委婉之意,译为“可……”、“倒……”。例如:
• 他倒是希望他们的篮球队赢得这场比赛的胜利。
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• 五 . should 作为情态动词,可以用来表示意外、 惊喜或者在说话人看来是不可思议的。尤其在 以 why, who, how 等开头的修辞疑问句或某 些感叹句中常常译为“竟会”、“居然”。例 如:
• How should I know it ? 我怎么会知道这件事?
• ②可将 should 置于从句之首,即将 should 放 在主语前面,而省略从属连词 if .例如:
• If you should fail to come, ask Mrs Chen to work in your plcome, ask Mrs Chen to work in your place. )
• I should say that it would be better to try it again. • 我倒是认为最好再试一试。 • You are mistaken, I should say. 据我看,你搞错
了。
• He should expect their basketball team to win the match.
• 我们把文件看了一遍又一遍,唯恐忽略了其中 的什么要点。
• He took an umbrella in case (that) it should rain.
• 他带了一把雨伞,以.防天下雨。
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• 八 . should 作为情态动词,可以用于下列虚拟语 气句中:
• 1. 用在表示与将来事实相反的条件状语从句中, 构成“ If …… should (do sth)……, …… would/ could/ might (do sth.) …… ”句式。例如:
• 我不明白为什么他居然不愉快。
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• 六 . should 作为情态动词,可以用来表示有较 大可能实现的猜测、推论,通常译为“可能”、 “总该……吧”,相当于 be expected to .例如:
• They should be home by now, I think.
• 我想现在他们总该到家了吧。
• 如果明天天下雨,运动会就会延期举行。
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• 2. 用在 suggest (propose), arrange, plan, decide,, advise, order, demand, request, desire, insist 等表示“建议”、“要求”、“命 令”、“决定”、“安排”、“计划”、“主张” 的动词后面接的宾语从句中。这里的 should 也可 以省略。例如:
• Why should you be so late today ? 你今天怎么 来得这么晚?
• When I went out, whom should I meet but my old friend Xiao Li ! 当我出去时,想不到竟会 碰见我的老朋友小李!
• I don't see any reason why he shouldn't be happy.
should
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• 一 . should , shall 的过去式,可以在间接引 语中与第一人称主语搭配,表示过去将来 时间。例如:
• The group leader announced that we should (= would ) begin to work soon.
• A week ago, I told him that I should (= would) go to Beijing the next day.
• 你们应该按时做完你们的实验。
• You should (= ought to ) tell your mother about it at once.
• 你应该立即把此事告诉你妈妈。
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• 三 . should 情态动词,
• ①用在条件状语从句中,表示语气较强的假 设,译作“万一”、“竟然”;
• The report was written after a careful investigation, so it should be reliable.
• 这份报告是经过周密调查后才写成的,所以 应该是可靠的。
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• 七 . should 作为情态动词,用在由 so that, for fear that, lest 引导的目的状语从句和 in case (that) 引导的条件状语从句中,有“能够”、 “可能”、“会”之意。例如: