时间介词用法总结
<p>英语中，介词可分为时间、地点、运动等种类，其中，表示时间的介词，我们称之为时间介词。该类介词主要有<span word="at">at</span>, <span word="on">on</span>, <span word="in">in</span>, <span word="for">for</span>, <span word="during">during</span>, <span word="through">through</span>, <span word="from">from</span>, <span word="since">since</span>, <span word="before">before</span>, <span word="by">by</span>, <span word="till">till</span>, <span word="until">until</span>, <span word="after">after</span>, <span word="within">within</span>。具体而言：</p><p>1. <span word="at">at</span>表示“某一时间点”：<span word="I">I</span> <span word="have">have</span> <span word="breakfast">breakfast</span> <span word="at">at</span> 7:00 <span word="every">every</span> <span word="day">day</span>. 我每天7点吃早饭。</p><p>2. <span word="on">on</span>表示“在具体某一天或某天的上、下午”：</p><p><span word="We">We</span> <span word="have">have</span> <span word="a">a</span> <span word="meeting">meeting</span> <span word="on">on</span> <span word="Monday">Monday</span>. 我们周一开会。</p><p><span word="We">We</span> <span word="will">will</span> <span word="arrive">arrive</span> <span word="in">in</span> <span word="Beijing">Beijing</span> <span word="on">on</span> <span word="the">the</span> <span word="morning">morning</span> <span word="of">of</span> <span word="next">next</span> <span word="Monday">Monday</span>.下周一上午，我们将抵达北京。</p><p>3. <span word="in">in</span>表示“在某世纪、年、季度、月、周”以及泛指的上午、下午、晚上：</p><p><span word="in">in</span> <span word="the">the</span> 20<span word="th">th</span> <span word="century">century</span> 在20世纪 <span word="in">in</span> 1998 在1998年</p><p><span word="in">in</span> <span word="winter">winter</span> 在冬季 <span word="in">in</span> <span word="September">September</span> 在九月</p><p><span word="in">in</span> <span word="the">the</span> <span word="morning">morning</span>/<span word="afternoon">afternoon</span>/<span word="evening">evening</span> 在上午/下午/晚上</p><p>4. <span word="for">for</span>表示某事持续多久，后接“一段时间”(多与完成时连用)：</p><p><span word="She">She</span> <span word="has">has</span> <span word="been">been</span> <span word="here">here</span> <span word="for">for</span> <span word="several">several</span> <span word="years">years</span>. 她来这儿有几年了。</p><p>5. <span word="during">during</span>表示“在……期间”：<span word="He">He</span> <span word="went">went</span> <span word="to">to</span> <span word="Hawaii">Hawaii</span> <span word="during">during</span> <span word="the">the</span> <span word="summer">summer</span>. 这个夏天他去了夏威夷。</p><p>6. <span word="through">through</span>表示“一直……，自始至终”：</p><p><span word="They">They</span> <span word="studied">studied</span> <span word="hard">hard</span> <span word="through">through</span> <span word="this">this</span> <span word="summer">summer</span> <span word="vacation">vacation</span>. 整个暑假他们都在努力学习。</p><p>7. <span word="from">from</span>表示“时间的起点”，可译作“从…”，常用于“<span word="from">from</span>…<span word="to">to</span>/<span word="till">till</span>…”中：</p>
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