虚拟语气1

虚拟语气用法归纳表格1、虚拟语气的定义虚拟语气是一种特殊的动词形式，表示说话人的主观愿望、假设、猜测、建议等非真实的情况。

11 与现在事实相反的虚拟语气条件从句：If ＋主语＋动词过去式（be 动词用 were）主句：主语＋ would/should/could/might ＋动词原形例如：If I were you, I would study harder111 与过去事实相反的虚拟语气条件从句：If ＋主语＋ had ＋过去分词主句：主语＋ would/should/could/might ＋ have ＋过去分词例如：If I had known the truth, I wouldn't have made such a mistake 112 与将来事实相反的虚拟语气条件从句：If ＋主语＋ were to ＋动词原形或 If ＋主语＋ should ＋动词原形主句：主语＋ would/should/could/might ＋动词原形例如：If it were to rain tomorrow, we would stay at home121 wish 后的宾语从句与现在事实相反：从句用一般过去时与过去事实相反：从句用过去完成时与将来事实相反：从句用 would/could ＋动词原形例如：I wish I were a bird （与现在事实相反）122 would rather 后的宾语从句与现在或将来事实相反：从句用一般过去时与过去事实相反：从句用过去完成时例如：I would rather you came tomorrow （与将来事实相反）13 虚拟语气在主语从句中的应用It is ＋形容词＋ that 句型中，形容词为 necessary, important, strange 等时，从句用“should ＋动词原形”，should 可以省略。

例如：It is necessary that we （should) study hard14 虚拟语气在表语从句和同位语从句中的应用与主语从句类似，在 suggestion, proposal, order 等名词后的表语从句和同位语从句中，从句用“should ＋动词原形”，should 可以省略。

虚拟语气的用法归纳虚拟语气是英语中一种特殊的句式，它用来表达与事实相反或与实际情况有差别的意思。

它可以帮助我们表达不同形式的否定、虚拟假设、条件、建议、建议等。

本文将对虚拟语气的用法进行归纳，以便更好地理解它。

一、虚拟语气的基本概念虚拟语气是一种特殊的句式，它表示“如果”的意思，即“假如”，“要是”，“如果”，“就好了”，“就像”，“就算”等。

它可以表达不同形式的否定、虚拟假设、条件、建议、建议等。

二、虚拟语气的使用1. 否定形式：如果不，要是不，就算不，就好了不，就像不。

例句：If he didn't come, I wouldn't be here now.2. 条件形式：如果，要是，就算，就好了，就像。

例句：If it rains tomorrow, we'll have to cancel the picnic.3. 虚拟假设形式：如果，要是，就算，就好了，就像。

例句：If I had a million dollars, I'd travel around the world.4. 建议形式：如果，要是，就算，就好了，就像。

例句：If I were you, I would take this opportunity.三、虚拟语气的动词形式1. 一般时态：Should/would/could/might（动词原形）例句：I should go to bed early if I want to wake up early.2. 过去时态：should/would/could/might + have + 动词过去分词例句：I should have gone to bed earlier if I wanted to wake up early.3. 将来时态：should/would/could/might + be going to + 动词原形例句：I should be going to bed early if I want to wake up early.四、虚拟语气的重要点1. 虚拟语气使用在if引导的句子中，即虚拟条件句。

e.g.The doctor advised that he (should) take more exercise. 医生建议他多锻炼。 His health required that he (should) go to bed early. 他的 健康状况要求他早睡。
suggest表“暗示，表明”，insist表“坚持认 为，坚持说”时，不用虚拟语气。
1、表示“命令”、“建议”、“要求”、“坚持”等词后所带的 名词从句用虚拟语气，结构都是：（should） + 动词原形，其 中should可以省略。 记忆口诀：
一坚持：insist 二命令：order／command 三建议：advise／suggest／recommend 四要求：demand／require／request／ask
6. Her expression suggested that she be angry. 7. They insisted the boy went with them.
____w__a_s ____ __(s_h_o_u_l_d_) _g_o_
4、在主语从句中： It is suggested/required/ordered/… that + 主语 + （should） + 动词原形； It is important/strange/necessary/…that + 主语 + （should） + 动 词原形；
1. The order is that everyone_(_sh_o_u_l_d_) _g_iv_e (give)a five-minute
talk in class.
2.His smile suggested that he h_a_d__s_u_cc_e_e_d_e_d (succeed)in this

英语复习-虚拟语气一）在主语从句中1. 用于It is advisable/ odd/ desirable/ imperative/ natural/ necessary/ strange/ unusual, etc. + that 引导的主语从句中。

It is highly desirable that a new president (should) be appointed for the college.2. 用于It is desired, it is suggested, etc. +that 引导的主语从句中。

It is urged that he(should) be trained.It is requested thatMr.Wang(should)give a performance at the party.虚拟语气用在It is + 形容词（或过去分词）+ that... .的主语从句中，表示要求，建议，提议，命令，请求等，英国英语中从句的谓语用“should +原形动词（或完成式）构成”，而美国英语中则要求用原形动词。

该句型中常用的形容词或过去分词有：advisable, desirable, essential, important, better, keen, natural, necessary, probable, possible, strange, vital, desired, demanded, requested, suggested, recommended, required 等。

例如：It is necessary that the machine (should) be oiled once a week.It is important that everyone (should) obey the law.It is suggested that you take a walk after supper.在这些形容词前加highly也是可以的单独用好像不多见（二）虚拟语气用于下列动词后的宾语从句中advise arrange move(提议)beg demand deservedesire determine recommend ask insist orderprefer propose requitewish urge suggestsuppose decideI asked that I (should) be allowed to read whatever I liked.She move/ suggested that the meeting (should) be continued after lunch. 如果宾语从句中的动词是否定的，从句后应是not + 动词原形。