别做慈善家
感觉你的误区在于句子结构，前面主要是完成时态，he has been absent，经常缺席，从哪里缺席，从课堂上，后面是状语，lack of 是缺乏的意思，在此处并不是缺乏或者缺少，而是人缺席！
雪中的欢心
不能，因为lack 没有形容词性，是动词的，除非是he has been lacked of lessons但是，意思变了，变成了被动，意思不通了因为be absent form calss,没来上学be absent from work 没来上班 be absent 这个系表结构，相当于不及物动词，跟宾语的时候，要加介词
jessiedido
1.We will tell them about it next Saturday.2.The chinlden have no classes today.1.What time is Liu Tao going there?2. How do you feel?3.Are they going to the factory?1.Under2.Sure 没有把握1.holiday Thursdaytake part in2.Which going to很高兴为你解答！老师祝你学习进步！望采纳，多谢你的问题！^_^
e元素789
不在,缺席[U][C][(+from)] She never speaks ill of anyone in his or her absence. 她从不乘人不在时说别人的坏话。 2. 缺少,缺乏[U][(+of
virgoleegoon
“缺席”英文单词：Absent
单词释义：
1、adj. 用作形容词
缺席的，不在场的；缺少的，缺乏的；不在意的，茫然的
Professor Li is absent, I will take the lesson in the place of him.
李教授不在，我替他上课。
Many students were absent, notably the monitor.
许多学生缺席，特别是连班长也没来。
2、n. 用作动词
缺席，不参加；不在
Why did you absent yourself from school yesterday?
昨天你为何不到校?
3、单词时态
第三人称单数：absents
现在分词：absenting
过去式：absented
过去分词：absented
扩展资料
一、“缺席”其他常见语种翻译：
1、日语：欠席
2、意大利语：L'assenza di
3、德语：Abwesenheit
4、俄语：отсутствовать
5、波兰语：brak
6、葡萄牙语：A ausência de
二、“Absent”双语例句：
1、He has been absent from his desk for two weeks
他已经有两个星期没有坐在办公桌前了。
2、'Nothing,' Rosie said in an absent way.
“没什么，”罗茜心不在焉地说。
3、She was old enough to absent herself from the lunch table if she chose
她长大了，可以自己做主不来吃午餐了。
4、Absent a solution, people like Sue Godfrey will just keep on fighting.
假如得不到解决，像休·戈弗雷这样的人就会一直坚持斗争下去。
5、The pictures, too, were absent from the walls
那些画也不在墙上了。
6、Any soldier failing to report would be considered absent without leave and punished.
士兵若未报到将被视为擅离职守而受处分。
参考资料来源：剑桥字典--absent
