Its time that
remark on sth
see to it that
relate sth to sb.
Lest/ in case/unless /suppose /as if/for fear that/on
condition等词引导的目的状语从句中，谓语动词多用虚拟语气，+动词原形
Not so muchas 与其说不如说
so much as that
take sth into account /consideration
see to doing sth
none other than
Could have done
Must have done
Should have done
Never/ seldom/ rarely/ hardly/ barely/ scarcely/ little/
few位于句首引起主谓部分倒装。
May just as well
order/ ask/ demand/ command/ request/ require that+虚拟语气