中考英语状语从句课件-PPT课件

(=Youwillfailifyoudon'tstudyhard.)除非你努力学习,否则你会失败。2.条件状语从句if unlessaslongasonce1. IwillhelpyouwithyourEnglishifI‘mfree .2.Onceyourememberthewords,Englishiseasy.Aslongasyouarehappy,Iwillbehappy.Unlessyouputonacoat,youmaycatchacold.youdomoreexercise,youwillbehealthyHewon’tbeherehe’sinvitedMathsisveryeasytolearnyouunderstandtherules1.Hedidn’tgotoschoolbecausehewasill2.Sinceyoucan’tanswerthequestionI’llasksomeoneelse3.Asheisnocar,hecan’tgetthereeasily常用引导词:_________,_________,_____becausesinceas比较:because常回答why引导的疑问句,该从句一般位于主句后;since比as正式,两者不回答why引导的问句,而且其从句一般放在句首。如:1.—Whycan'tIgo?为什么我不能去?—______you'retooyoung.因为你年纪太小了。2.___youarenotfeelingwell,you'dbetterstayathome.既然你不太舒服,还是留在家里的好。3、原因状语从句1----“whydidLileiuseapencil”----hispenwasbrokenwehavenomoney,wecan’tbuyithehasnocar,hecan’tgetthereeasily