【问题实例】有这样一个句子,有同学问,其中的thatif是什么意思:Youwillletyourfriendborrowit,buttellhim/herthatifthecameraisbrokenagain,he/shewillhavetopaytogetitrepaired.你会把照相机借给朋友,但是告诉他(她),如果这次再摔坏,他(她)得自己掏钱去修。【问题分析】有时that可以与if搭配使用,构成thatif这样的形式,这样用时,其中的that通常用于引导名词性从句(如宾语从句),而其中的if则用于引导条件状语从句。如:HesaidthatifIhadtimeIwastowashthefloor.他说如果我有时间的话就擦一擦地板。Hesaidthatifhischildrenwereolderhewouldemigrate.他说如果他的孩子们再大点的话他就会移居国外。Billsaidthatifhehadtheinstructionmanualhewouldknowwhattodo.比尔说如果他有说明书他就知道该怎么弄了。HesaidthatifshehadlovedTomshewouldn’thavelefthim.他说如果她喜欢汤姆的话就不会离开他。HesaidthatifIpassedmytesthewouldbuymeacar.他说如果我通过考试,他将给我买辆汽车。Hesaidthatifhefellasleepatthewheelshewastowakehimup.他说,如果他在开车时打瞌睡,她必须把他叫醒。Hesaidthatifhecaughttheplanehewouldbehomebyfive.他说他如果能赶上那班飞机,5点钟以前就可以到家了。【句型变换】这类句子通常可以将if引导的条件从句移至句末而意思不变。如:Hesaidthatifhehadapermithecouldgetajob.=Hesaidthathecouldgetajobifhehadapermit.他说如果他有许可证就能找到工作。Hesaidthatifthefloodsgotworsetheywouldhavetoleavethehouse.=Hesaidthattheywouldhavetoleavethehouseifthefloodsgotworse他说如果洪水涨得更高,他们就得离开那所房子。Tomsaidthatifshewantedtostayonshewouldhavetoworkharder.=Tomsaidthatshewouldhavetoworkharderifshewantedtostayon.汤姆说她如果想继续留在那儿,就必须更努力地工作。Hewassurethatifhedrankanymoreofthisgoodredwinehewouldfallasleep.=Hewassurethathewouldfallasleepifhedrankanymoreofthisgoodredwine.他敢肯定如果他再多喝一点这种上乘的红酒,他会睡着的。