1.It'stimeforsth.是做……的时候了。
2.It'stime(forsb.)todosth.是(某人)该干……的时候了。
3.It's(high)time+that从句(that可以省略，从句谓语动词用虚拟语气)是某人(早)该干某事的时候了。
4.It(This/That)isthefirst(second,third...)time+that从句(从句要用现在完成时)。这(那)是某人第一(二、三……)次干某事。如主句谓语动词是过去时，则that从句要用过去完成时。
5.bythetime引导的时间状语从句。若从句用一般现在时，主句要用将来完成时;若从句是一般过去时，主句要用过去完成时。
6.eachtime(每次)，nexttime(下次)，anytime(任何时候)等词组引导的时间状语从句。
7.thefirst/second/third...time可以引导时间状语从句。
1.I'msosorryIhavebeenoutthelastthreetimesyou______.
C.calledD.havebeencalling
2.Johndidpassthetest;______hedidn'tknowthesubjectverywell.
3.Ithoughtherniceandhonest______Imether.
A.firsttimeB.thefirsttime
C.forthefirsttimeD.intime
4.BythetimeyougettoSanFranciscotomorrow,I______forSoutheastAsia.
A.shallhaveleftB.amleaving
C.willleaveD.havealreadyleft
5.It'stime______aboutthetrafficproblemdowntown.
6.Remembertosendmeaphotoofyoursonnexttimeyou______tome.
7.Don'ttrytodoeverythingatonce;takeitabit______.
C.oneforeachtimeD.atatime
8.IfFatherhadreturnedontheChristmas,wewouldhavehad______.
A.thehappiesttimeB.amorehappiertime
C.muchhappiesttimeD.amuchhappiertime
9.—Doyouknowourvillageatall?
—No,thisisthefirsttimeI______here.
A.comeB.havebeenC.cameD.am
10.—CanIlookabouttheroomsbeforeIdecidedwhichroomI'dliketostayin?
A.That'sallrightB.Takeyourtime
C.EnjoyyourselfD.Itdoesn'tmater
