大学英语四六级语法试题虚拟语气详解的资料(四)
<p> 大学英语四六级语法试题虚拟语气详解资料</p><p> 条件句中的虚拟语气</p><p> 第一节：<span word="if">if</span>引导的条件句中的虚拟语气</p><p> 虚拟语气表示一种不能实现的假设。该语法主要用于<span word="if">if</span>条件状语从句。</p><p> 一、<span word="if">if</span>引导的条件状语从句的分类及虚拟条件句的判断</p><p> 1、可以把条件句分为两类：</p><p> 1).真实条件句：凡是假设的情况发生性可能很大，就是真实条件句。例如：</p><p> ⑴、<span word="If">If</span> <span word="I">I</span> <span word="have">have</span> <span word="time">time</span> , <span word="I">I</span> <span word="will">will</span> <span word="help">help</span> <span word="you">you</span> <span word="with">with</span> <span word="this">this</span> <span word="work">work</span>.如果我有时间会帮助你做此工作的。</p><p> ⑵、<span word="As">As</span> <span word="long">long</span> <span word="as">as</span> <span word="I">I</span> <span word="say">say</span> <span word="anything">anything</span> <span word="wrong">wrong</span>, <span word="you">you</span> <span word="must">must</span> <span word="point">point</span> <span word="it">it</span> <span word="out">out</span>.只要我说了什么错话，你一定要指出来。</p><p> ⑶、<span word="If">If</span> <span word="time">time</span> <span word="permits">permits</span>, <span word="well">well</span> <span word="go">go</span> <span word="fishing">fishing</span> <span word="together">together</span>.</p><p> 2).虚拟条件句：当假设是不大可能实现时，就是虚拟条件句。例如：</p><p> ⑴、<span word="If">If</span> <span word="I">I</span> <span word="were">were</span> <span word="you">you</span> , <span word="I">I</span> <span word="would">would</span> <span word="have">have</span> <span word="attended">attended</span> <span word="the">the</span> <span word="meeting">meeting</span>. 如果我是你的话，就去参加会议了。</p><p> ⑵、<span word="If">If</span> <span word="he">he</span> <span word="had">had</span> <span word="come">come</span> <span word="here">here</span> <span word="yesterday">yesterday</span>, <span word="he">he</span> <span word="would">would</span> <span word="have">have</span> <span word="seen">seen</span> <span word="his">his</span> <span word="old">old</span> <span word="friend">friend</span>.假如他昨天来这儿的话，就会看见他的老朋友。</p><p> ⑴、<span word="If">If</span> <span word="it">it</span> <span word="had">had</span> <span word="rained">rained</span> <span word="yesterday">yesterday</span>, <span word="we">we</span> <span word="would">would</span> <span word="have">have</span> <span word="stayed">stayed</span> <span word="at">at</span> <span word="home">home</span>.</p><p> 2、.<span word="if">if</span>条件状语从句中虚拟语气的判断</p><p> 判断是真实条件句还是非真实条件句。只有在非真实条件句中才使用虚拟语气。通过句子意思，看假设的条件是否能够实现，能够实现是真实条件句，不能使用虚拟语气;假设的条件不能实现则是非真实条件句，要用虚拟语气。</p>
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