小学英语介词用法1、小学英语介词at,in与on在时间方面的用法 at表示时间的一点;in表示一个时期;on表示特殊日子。如: He goes to school at seven oclock in the morning. 他早晨七点上学。 Can you finish the work in two days. 你能在两天内完成这个工作吗? Linda was born on the second of May. 琳达五月二日出生。 1). at后常接几点几分,天明,中午,日出,日落,开始等。如: at five oclock (五点),at down (黎明),at daybreak (天亮),at sunrise (日出),at noon (中午),at sunset (日落),at midnight (半夜),at the beginning of the month (月初), at that time (那时),at that moment (那会儿