小学一年级英语语法：关于介词
<p>&<span word="nbsp">nbsp</span>;</p><p> 小学英语介词<span word="at">at</span>，<span word="in">in</span>与<span word="on">on</span>在时间方面的用法：</p><p> 小学英语从最简单的介词<span word="in">in</span>，<span word="on">on</span>，<span word="at">at</span>开始学起，下面细讲这三个介词的具体用法：</p><p> 1). <span word="in">in</span> 表示一个时期。后常接年，月，日期，上午，下午，晚上，白天，季节，世纪等。如：</p><p> <span word="in">in</span> 2006(2006年)，<span word="in">in</span> <span word="May">May</span>，2004 (2004年五月)，<span word="in">in</span> <span word="the">the</span> <span word="morning">morning</span> (早晨/上午)，<span word="in">in</span> <span word="the">the</span> <span word="afternoon">afternoon</span> (下午)，<span word="in">in</span> <span word="the">the</span> <span word="evening">evening</span> (晚上)，<span word="in">in</span> <span word="the">the</span> <span word="night">night</span> (夜晚)，<span word="in">in</span> <span word="the">the</span> <span word="daytime">daytime</span> (白天)，<span word="in">in</span> <span word="the">the</span> 21<span word="st">st</span> <span word="century">century</span> (21世纪)，<span word="in">in</span> <span word="three">three</span> <span word="days">days</span> (<span word="weeks">weeks</span>/<span word="month">month</span>)三天(周/个月)，<span word="in">in</span> <span word="a">a</span> <span word="week">week</span> (一周)，<span word="in">in</span> <span word="spring">spring</span> (春季)。</p><p> 例句： <span word="Can">Can</span> <span word="you">you</span> <span word="finish">finish</span> <span word="the">the</span> <span word="work">work</span> <span word="in">in</span> <span word="two">two</span> <span word="days">days</span>. 你能在两天内完成这个工作吗?</p><p> 2). <span word="on">on</span> 表示特殊日子。后常接某日，星期几，某日或某周日的朝夕，节日等。如：</p><p> <span word="on">on</span> <span word="Sunday">Sunday</span> (星期日)，<span word="on">on</span> <span word="a">a</span> <span word="warm">warm</span> <span word="morning">morning</span> <span word="in">in</span> <span word="April">April</span> (四月的一个温暖的上午)，<span word="on">on</span> <span word="a">a</span> <span word="December">December</span> <span word="night">night</span> (12月的一个夜晚)，<span word="on">on</span> <span word="that">that</span> <span word="afternoon">afternoon</span> (那天下午)，<span word="on">on</span> <span word="the">the</span> <span word="following">following</span> <span word="night">night</span> (下一个晚上)，<span word="on">on</span> <span word="Christmas">Christmas</span> <span word="afternoon">afternoon</span> (圣诞节下午)，<span word="on">on</span> <span word="October">October</span> 1，1949 (1949年10月1日)，<span word="on">on</span> <span word="New">New</span> <span word="Year">Year</span>'<span word="s">s</span> <span word="Day">Day</span> (新年)，<span word="on">on</span> <span word="New">New</span> <span word="Year">Year</span>'<span word="s">s</span> <span word="Eve">Eve</span> (除夕)，<span word="on">on</span> <span word="the">the</span> <span word="morning">morning</span> <span word="of">of</span> <span word="the">the</span> 15<span word="th">th</span> (15日的早上)等。</p><p> 例句： <span word="Linda">Linda</span> <span word="was">was</span> <span word="born">born</span> <span word="on">on</span> <span word="the">the</span> <span word="second">second</span> <span word="of">of</span> <span word="May">May</span>. 琳达五月二日出生。</p><p> 3). <span word="at">at</span> 表示时间的一点。后常接几点几分，天明，中午，日出，日落，开始等。如：</p>
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