It is time(high time)that .
it is high time that .
It is time(high time)that .
It is high time
it is high time that +should do 与it is high time that +did的区
It is high time that they started out.他们该动身了.It is high time
It's high time that...
It is high time that something were done upon it
It is high time that something were done upon it.
It is high time that something was done about it.
it is high time to
It is high time that( ).(你该写作业了)
it is high time that we had better do homework