how long,how often与how soon的区别
<p> 1. <span word="how">how</span> <span word="long">long</span></p><p> 指多长时间，主要用来对一段时间(如<span word="three">three</span> <span word="days">days</span>, <span word="four">four</span> <span word="weeks">weeks</span> 等)提问：</p><p> <span word="How">How</span> <span word="long">long</span> <span word="ago">ago</span> <span word="was">was</span> <span word="it">it</span>? 这是多久前的事了?</p><p> <span word="How">How</span> <span word="long">long</span> <span word="do">do</span> <span word="you">you</span> <span word="think">think</span> <span word="youll">youll</span> <span word="be">be</span> <span word="gone">gone</span>? 你想你会离开多久?</p><p> <span word="How">How</span> <span word="long">long</span> <span word="have">have</span> <span word="you">you</span> <span word="known">known</span> <span word="her">her</span>? 你认识她有多久了?</p><p> <span word="How">How</span> <span word="long">long</span> <span word="have">have</span> <span word="you">you</span> <span word="been">been</span> <span word="studying">studying</span> <span word="the">the</span> <span word="problem">problem</span>? 这问题你研究多久了?</p><p> <span word="How">How</span> <span word="long">long</span> <span word="did">did</span> <span word="he">he</span> <span word="stay">stay</span> <span word="here">here</span>? <span word="About">About</span> <span word="two">two</span> <span word="hours">hours</span>. 他在这儿呆了多久?大约两小时。</p><p> 2. <span word="how">how</span> <span word="often">often</span></p><p> 指每隔多久，主要用来对频度副词或状语(如<span word="once">once</span> <span word="a">a</span> <span word="week">week</span>等)提问：</p><p> <span word="How">How</span> <span word="often">often</span> <span word="does">does</span> <span word="he">he</span> <span word="come">come</span> <span word="here">here</span>? <span word="Once">Once</span> <span word="a">a</span> <span word="month">month</span>.</p><p> 他(每隔)多久来一次? 一每月一次。</p><p> <span word="How">How</span> <span word="often">often</span> <span word="do">do</span> <span word="you">you</span> <span word="visit">visit</span> <span word="your">your</span> <span word="mother">mother</span>?一<span word="Once">Once</span> <span word="a">a</span> <span word="week">week</span>.</p><p> 你多长时间看你妈妈一次?一周一次。</p><p> <span word="How">How</span> <span word="often">often</span> <span word="do">do</span> <span word="you">you</span> <span word="go">go</span> <span word="to">to</span> <span word="the">the</span> <span word="dentist">dentist</span>?一<span word="I">I</span> <span word="go">go</span> <span word="every">every</span> <span word="six">six</span> <span word="months">months</span>.</p><p> 你多久去看一次牙齿?我每6个月去一次。</p><p> 3. <span word="how">how</span> <span word="soon">soon</span></p><p> 指再过多久，主要用来对表示将来的一段时间(如<span word="in">in</span> <span word="an">an</span> <span word="hour">hour</span>, <span word="in">in</span> <span word="two">two</span> <span word="weeks">weeks</span> 等)提问：</p><p> <span word="How">How</span> <span word="soon">soon</span> <span word="can">can</span> <span word="you">you</span> <span word="come">come</span>? 你多快能赶来?</p><p> <span word="How">How</span> <span word="soon">soon</span> <span word="shall">shall</span> <span word="we">we</span> <span word="know">know</span> <span word="the">the</span> <span word="results">results</span>? 一<span word="I">I</span> <span word="dont">dont</span> <span word="know">know</span>. 我们多久能知道结果? 我不知道。</p><p> <span word="How">How</span> <span word="soon">soon</span> <span word="will">will</span> <span word="he">he</span> <span word="be">be</span> <span word="back">back</span>?<span word="In">In</span> <span word="an">an</span> <span word="hour">hour</span>. 他要多久才回来?1小时以后。</p>
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