薄冰英语语法：虚拟语气
<p> 语气的含义和种类</p><p> 语气（<span word="mood">mood</span>）是一种动词形式，用以表示说话的意图或态度。英语中的语气有三种：</p><p> 1）直接语气（<span word="indicative">indicative</span> <span word="mood">mood</span>）,表示所说的话是事实。如：</p><p> （1）<span word="France">France</span> <span word="lies">lies</span> <span word="on">on</span> <span word="the">the</span> <span word="windward">windward</span> <span word="side">side</span> <span word="of">of</span> <span word="Europe">Europe</span>. 法国位于欧洲向风的一面。</p><p> （2）<span word="The">The</span> <span word="harsh">harsh</span> <span word="weather">weather</span> <span word="last">last</span> <span word="year">year</span> <span word="was">was</span> <span word="the">the</span> <span word="result">result</span> <span word="of">of</span> <span word="turbulence">turbulence</span> <span word="in">in</span> <span word="the">the</span> <span word="upper">upper</span> <span word="atmosphere">atmosphere</span>. 去年的恶劣气候是高空大气层的湍流造成的。</p><p> 2）祈使语气（<span word="imperative">imperative</span> <span word="mood">mood</span>），表示所说的话是请求或命令。如：</p><p> （3）<span word="Make">Make</span> <span word="yourself">yourself</span> <span word="at">at</span> <span word="home">home</span>. 请随便，不要客气。（表请求）</p><p> （4）<span word="Dont">Dont</span> <span word="be">be</span> <span word="late">late</span>. 不要迟到。（表命令）</p><p> 3）虚拟语气（<span word="subjective">subjective</span> <span word="mood">mood</span>），表示所说的话只是一种主观的愿望、假想和建议等。如：</p><p> （5）<span word="We">We</span> <span word="only">only</span> <span word="wish">wish</span> <span word="we">we</span> <span word="could">could</span> <span word="help">help</span>. 我们但愿能提供帮助。（表愿望）</p><p> （6）<span word="If">If</span> <span word="there">there</span> <span word="were">were</span> <span word="no">no</span> <span word="gravity">gravity</span>, <span word="we">we</span> <span word="should">should</span> <span word="not">not</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="walk">walk</span>. 假若没有动力，我们就不能行走。（表假想）</p><p> （7）<span word="He">He</span> <span word="suggests">suggests</span> <span word="that">that</span> <span word="we">we</span> <span word="should">should</span> <span word="all">all</span> <span word="go">go</span> <span word="to">to</span> <span word="see">see</span> <span word="the">the</span> <span word="film">film</span>. 他建议我们都去看这个电影。（表建议）</p><p> 虚拟语气的形式</p><p> 虚拟语气的基本形式共有七种。</p><p> 1）动词原形，用于一切人称和数。如：</p>
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