1 It is high time you started off．
是你该动身的时候了.
2 Now it's high time we were off．
现在我们该走了.
3 It's high time he found a job．
他该找份工作干干了.后面的从句算是主语成分吗有些语法书称之为状语从句，有些又称之为补语从句。求采纳客气