in,at,on 的所有用法 内容: on,at,in 这三个常用介词都可以表示时间和地点,但具体用法不同,不少初学者对它 们混淆不清。现在请读、记下面两个口诀,只要记住了口诀,就可避免 at,on,in 的种种误 用。 (1)口诀之一(on,in,at 表时间) 。 on“在具体某一天”① “当某时” ,动名词前, arrival,death 记心间②; early,late 位句先, 用 in 一般“上” “下” “晚”③④; at 是个时间点, “工作” “时刻”与“圣诞”⑤。 注: ①on 表示在具体某一天及具体某一天的上午、下午和晚上。例: On Children’s Day,all the boys and girls are wearing their newclothes.儿童节,所有的孩子 们都穿上了新衣服。 ②On my arrival home,I found he had gone already.当我到家时,我发现他已经走了。 ③当 early,late 用于句首修饰介词短语时,尽管表示具体某一天的上午、下午、晚上,都要 用 in(如例句 1) ,泛指一般的上、下午,晚上也用 in(如例句 2) 。例: 1) Early in the morning of National Day, got up to catch the firstbus to the zoo. I 国庆节一清早, 我便起床去赶到动物园的第一班公共汽车。 2)My father begins work at 8:00 in the morning and stops workat 4:00 in the afternoon.我父 亲上午 8 点上班,下午 4 点下班。 ④用于将来时态表示“过一段时间后” (如例句 1)及表示“在……期间” (如例句 2)和“在 某个季节,某年、某月” (如例句 3)都用 in。请看如下例句: 1)I hear he’ll be back in a month.我听说他将于一个月后回来。 2)In the course of the last lesson in French,little Franz was listen-ing to the master very attentively.在那最后一堂法语课中,小弗朗兹非常用心地听着老师讲。 3)Comrade Mao Zedong was born in December of 1893.毛泽东同志生于 1893 年 12 月。 ⑤在表示某时某刻及在 work,Christmas 前用 at。 例如: 1)We get up at eight o’clock.我们 8 点起床。 2)My father are busily at work all day.我父亲整天忙于工作。 3)In western countries children get present from their parents atChristmas.在西方国家,孩子 们在圣诞节得到父亲给的礼物。 (2)口诀之二。 at 用于点,on 用于天, in 用于月、季、年。 午别晚上 in 常用, 限定三时 in 要变。 at noon(night) ,in the day, 习惯用语记心间。 说明: 当 morning,afternoon,evening 有前位定语或后置定语限定时,就不用 in 而用 on。例: on a cold(winter)evening 在一个寒冷(冬天)的晚上 on Wednesday afternoon 在星期三下午 on the morning of March 8th 在 3 月 8 日上午 下面再说说这三个介词在表示地点时用法的区别,口诀如下: on,in,at 表地点, on“在之上”接触面, “靠近、接壤、左右边”①; in“在里面”和“中间”②; at 表示小地点, “入口、车站、影剧院”③; home 出现定语、冠, 须用 in 把 at 换④; “夜间、车辆”若有限, 及“在途中”on 在前⑤。 说明: ①在表示地点时,指“在……之上(与表面接触)。例: ” There is an English-English dictionary and two grammar books onthe big desk.那张大写字台 上有一本英语词典和两本语法书。 “靠近、接壤”及“在左右边”都用 on。例: Korea lies on the northeast of China.朝鲜位于中国东北方。 Tom was sitting on my left when we saw the film yesterday.我们昨天看电影时,汤姆坐在我左 边。 ②表示“在……里面” (即物体内部) 。例: Jim turned the key in the lock and opened the door.吉姆把钥匙插在锁孔里,转动一下,打开 了门。 “在……中间” (即 middle 前)都用 in。例: Soon they were in the middle of the river.很快他们就游到了河中间。 ③at 表示一个较小的地点,如在“入口” (entrance) “车站” (busstop,railway station)和“影 剧院” (cinema,theater)等名词前。例: As she walked along,she noticed an old pine tree ahead at the en-trance to a valley.她往前走 时,注意到前边峡谷口有棵老松树。 ④home 前一般用 at,但若有物主代词和冠词等定语修饰时,须用 in。例: In Princeton he lived quietly,working at the institute and enjoyinghimself by playing his violin in his simple home.他在普林斯顿过着安静的生活,在研究所工作,在他那简朴的家里拉琴消 遣。 ⑤“夜间” (night)“车辆” 、 (bus,bike,train ect. )等名词若有限定词及“在……途中” , 介词则用 on。 例: 1)He was in on that night.他那天夜里在家。 2)My son often goes to school on his bike.我儿子常骑自行车去上学。 3)On the way home my father told me of an incident that tookplace on his first day at school in Mr Crossett’s class.在回家途中,父亲给我讲了他第一天上克罗塞特先生课时发生的一件 事。 1、Lucy can write a letter___Japanese though she has learned it only a few months. A. from B. to C. in D. with 2、They will have an English test___two days. A. for B. at C. in D. after 3、Wu Dong was born___the evening of April 2,1975. A. at B. in C. on D. to 答案:ccc 本文转自网络,感谢原创者为社会作的贡献!我们对作者表达崇高敬意!我们诣在通过传播正能量推动社会进步,如有不妥之处,请联系我们删除! |