如果只是描述一个人上学迟到,英语用:be late for school 具体到人的话,要加上相应的主语和系动词要变形,如:他上学迟到了。He is late for school.他昨天上学迟到了。He was late for school yesterday.他将会上学迟到。He will be late for school. 如果是自己上学迟到了,要和老师说一声的话,则用:I'm sorry I'm late.I'm so sorry I'm too late.
be late for 因…而迟到,做…迟到.后接名词。例:I will not be late for school.我上学不会迟到。I'll be late for the meeting.我开会要晚了。be late to 后接的是动词,表示做这个动作稍晚,迟。例:“Why were you late to school this morning?“今天早上你为什么上学迟到?”