状语从句状语从句分为九大类,分别表示时间、地点、原因、目的、结果、条件、让步、比较和方式
:1.时间状语从句when,as,while,assoonas,while,before,after,since,till,untilWhileJohnwaswatchingTV,hiswifewascooking
2.原因状语从句because,since,as,Ilikemathbecauseit’sinteresting
3目的状语从句sothat,inorderthatHegetsupearlyinordertocatchtheearlybus
4.结果状语从句so…that,so…that,such…that,Hegotupsoearlythathecaughtthefirstbus
5.条件状语从句if,unless,Ifyougototheparty,you’llhaveagoodtime
6.让步状语从句:though,although,evenif,eventhoughHestilllikeswimmingeventhoughheisover70
7.方式状语从句as,asif,howWheninRome,doastheRomando
当堂练习一、单项选择1【2014重庆市】Yourunclewillcometoseeyouassoonashe______here
arrivesB
isarrivingC
willarrive2【2014宜宾】—Comeandjoinus,Betty
—I’mafraidIcan’t
I’mtoobusynow
IfI______time,Iwouldcertainlygo
willhave3【2014呼和浩特】Ifwe______takeenvironmentalproblemsseriousl