
2025届高三英语一轮复习词法篇3 情态动词和虚拟语气 考点1 情态动词 1.情态动词的类型 2.情态动词的基本用法 3.情态动词的特殊用法 (1)can/could的否定式与比较级连用表示最高级。 (2)can/could的否定式与enough或too (much)连用表示“再……也不为过”。 (3)must可表示“偏要,硬要”,常用于疑问句或条件状语从句中。 (4)may/might as well表示“最好;不妨”。 (5)would可表示过去的习惯,与used to相比,前者常表示过去反复的动作,后者常表示过去的状态或习惯现在已不复存在。 (6)should有时表示说话人对某事感到意外、惊奇,意为“竟然会”。 考点2 虚拟语气 1.if条件句中的虚拟语气 类型 从句中谓语动词形式 主句中谓语动词形式 与现在事实相反 动词的过去式(be的过去式用were) should/would/could/might+动词原形 与过去事实相反 had+过去分词 should/would/could/might+have+过去分词 与将来事实相反 should/were to+动词原形;动词的过去式 should/would/could/might+动词原形 I am sorry I am very busy right now.If I had time,I would certainly go to the movies with you. 我很抱歉我现在很忙。如果有时间,我肯定陪你去看电影了。 If we hadn’t made adequate preparations,the conference wouldn’t have been so successful. 如果我们不做充分的准备,会议是不会开得这么成功的。 2.名词性从句中的虚拟语气 (1)在“It is+important/necessary/natural/strange/essential/vital/a pity+that...”句型中,从句的谓语动词用“(should+)动词原形”。 It’s vital that we (should) take our safety driving along the road seriously. 重视道路安全驾驶是至关重要的。 (2)句中含有以下单词或其变形时,该句中的名词性从句(宾语从句、表语从句、主语从句、同位语从句)部分常用虚拟语气,其谓语动词形式为“should+动词原形”,其中should可以省略。 I recommend that everyone (should) buy this dictionary. 我建议每人都买这本词典。 The demand is that manuscripts (should) be written on one side only. 按照要求,手稿单面誊写。 3.3个特定句式中的虚拟语气 句型结构 过去虚拟 现在虚拟 将来虚拟 if only引导的条件句及感叹句 had+过去分词 过去式(be动词一般用were) would/could/should/might+动词原形 as if/though引导的表语从句及方式状语从句 had+过去分词 过去式(be动词一般用were) would/could/should/might+动词原形 It is (high)time (that)... 从句中谓语动词用过去式或“should+动词原形”(should不能省略) If only I had seen the film. 要是我看过那部电影就好了。 It is high time that we started/should start out. 我们该出发了。 He talks about pyramids as though he had seen them himself. 他谈起金字塔来,就好像亲眼见过似的。 【重难点突破】 含蓄虚拟条件句 1.有时假设的情况不用条件句表达,而是用but for,without等介词(短语)来表示。 Without your help,I would have failed the exam last week. 没有你的帮助,我上周的考试就失败了。 2.用连词otherwise, or等暗示后文与前面的情况相反,从而引出后文的虚拟语气。 I’m really very busy,otherwise I would certainly go there with you. 我真的是太忙了,不然我就会同你一道去了。 3.虚拟条件通过but暗示出来,模式为“虚拟情况+but+真实情况”。 She would have come to see you but she was ill that day. 要是那天她没生病,她就来看你了。 【达标检测】 Ⅰ.用情态动词或括号内动词的适当形式填空 1.(2024·山东济南三模改编)The Yellow River Tower has become a cultural landmark of the ... ...
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