be absent from 的absent是固定动词原型吗?

be absent from和be absent for的区别 be absent from 的absent是固定动词原型吗? be absent from 英语翻译 be absent from同义词 so many representatives_ ,the conference had to be put offa were absent b to be absent c being abse d had been absent84.27(与题无关）详细解释下， c选项 是absent be absent from和be absent for有什么区别? absent from be absent from 那出席的词组呢? attend 前面跟后面又是什么? be absent from和absent oneself from区别,是一个是主动一个是被动吗 be absent 缺席的词组是be absent from吗?from能省略吗?请用例句说明一下, He will be absent from school today.(否定句） He is absent from school.原词组给的是absence from school,为什么变成absent, She is often absent from school 这句话的时态是哪个?是一般现在时?那这句话是应该She often absents from school?但是这句话是个词组,BE ABSENT FROM,所以不懂. be absent from the meetingthe是不是不要加的呢,为什么有的书上有,有的没有呢, 请问was he absent from school last week?的另外说法或语法用法?was是be的过去式,我们可以说is he absent from school last week?或者did he absent from school last week?不是说第三人称单数要用be动词does吗?句子中was是 I can not be absent from the meeting .这里为什么有be I ___ (be) ill.So I ___ (be) absent from the meeting just now.