Hewenthometoseehismother.
Heshoutedandwavedsoastobenoticed.
Johnhurriedsoasnottobelatefortheparty.
Modernequipmentisfittedinourclassroomforallthestudentstostudywell.
Theletterwasreadoutforallinthecourttohear.
注意：todo/inordertodo可放在句首，soasto不可
(1)._____lateinthemorning，Bobturnedoffthealarm.
A.HavingsleptB.TosleepC.SleepingD.Sleep
(2).-------Dad，Whydoyoubuysomanytapesformetolistento？
-----______yourlistening.
A.ImproveB.ImprovingC.HavingimprovedD.Toimprove
(3).Dowhateveryoucould_____him.
A.helpB.tohelpC.helpingD.helping
注意：只有不定式todo/inordertodo/soastodo可以作目的状语
Onlytodo表示未曾料到的愉快或不愉快的结果：
Shewokeearlyonlytofinditwasraining.
Hegothomeonlytolearnthathisfatherwasill.
Hegottothestationonlytofindthetrainhadgone.
“Liftingarockonlytodropitonone’sfeet”isaChinesefolksaying.
ShehurriedbackonlytofindheroldfriendGeorgewaitingforhim.
对比：
现在分词表示主句动作所造成的结果：
Hewascaughtintherain，thuscatchingcold.
Theircarwascaughtinthetrafficjam，thuscausingthedelay.
Todo作结果状语：(表示不愉快或意外结果)
Hemustbedeafnottohearthat.他聋得听不见.
Shewentabroadnevertoreturn.她出国了，结果再也没回来.
