Question

关于英语语法的，帮忙分析下这个句子分析下这个句子。各成分，时态等。

That is why ,at the age of six,I gave up what might have been a marginificent career as a painter.

Answer 1

that : 主语
is ： 系词
why： 表语

at the age of six,I gave up what might have been a marginificent career as a painter
整个是表语的补足语，用来说明原因到底是什么的。

at the age of six 是一个修饰后面句子的时间状语

追问

gave up为什么是过去式

might 是否是may的过去式
have been 为什么有变回了现在时

追答

gave up 表示过去放弃，和at the age of 6相一致，might have been表示假设，如果不放弃，则已经成为了 a marginificent career as painter

追问

非常感谢。