1. 用作形容词,表示“做某事缺席”,其后常接介词 from:He was absent from school. 他没有到校。有时根据不同的语境,也可能使用不同的介词:John is absent because of his illness. 约翰因病缺席。He’s absent in Europe. 他外出了,现在欧洲。She was absent due to illness. 她因病缺席。不接介词的用法:He was absent, as is often the case. 他缺席了,这是常有的事。The reason for his being absent remains a puzzle. 他为什么缺席是一个谜。An average of 10 students are absent each day. 平均每天有10个学生缺席。Each morning the teacher marks the pupils present, absent or late. 每天早晨老师给学生记出勤情况。
2. 用作动词,是及物动词,常接反身代词作宾语。表示“做某事缺席”,其后也接介词from:He absented himself from the meeting. 他开会缺席。
3. 点名时,若自己在场用 Here 或 Present (到,有)回答;若自己不在场,旁人可用 Absent (不在)回答。
4. 注意派生词:absence n. 缺席,不在。表示“做某事缺席”,其后也接介词 from:The teacher was angry at his absence from the meeting. 老师对他开会缺席很生气。