介词时间用法

介词 on at in +时间 的用法
at 时间最短，一般表示点时间，具
体的某个时刻
1.at six o’clock 2.at 8:30
习惯用语：at night at noon
On ‘在具体某一天’ 包括 ‘具体某一天的上午 下午 和晚Biblioteka Baidu’
1.On Mother’s Day ,I give carnations to my mother. 2.On Monday/Friday/Saturday…… 3.On Tuesday afternoon
On Sunday morning (evening) 4.On July 1,1999
On March 7 <1>On + 星期(1----7) <2>On + 年，月，日 / 年，日 / 月，日
In 时间范围大（一段时间）
1.in spring/ summer/ autumn/ winter 2.in May 3.in the morning /afternoon/ evening 4.in September/ May/ June/ July 5.in a year in a week 1 > in +四季 2 > in +月份 3 in +年 / 年，月 / 月
At 几点钟；In 一段时间；On 某一天
1. I go to school __a_t__ seven o’clock. 2. I usually play badminton ___o_n__ Sunday afternoon. 3. The building’s shadow is long ___in___ the afternoon. 4. The sun is high in the sky __a_t__ noon. 5. We have lunch __a_t__ 11:35 at school every day. 6. __O__n__ Monday, I have six classes. 7. My birthday is __o_n__ the first of May. 8. ___In___ autumn, we can eat much fruit. 9. Summer comes ___in___ June, July and August. 10.__O_n___ Children’s Day, we play games in the classroom.