高一外研版必修四Module3BodyLanguagueandNon-VerbalcomunicationsGrammar12&3条件状语从句和让步状语从句1
条件状语从句1
)引导词:1
if,unless(=ifnot),so/aslongas(只要),2
suppose/supposing(假设,如果),3
incase(以防,假使),4
onlyif(只有当),5
ifonly(只要
就好了),6
providing/provided(that),supposingthat(假若,倘使),7
onconditionthat(条件是,只要)We’llcomeovertoseeyouonSaturdayifwehavetime
I'llbuythishouseprovided/providing/supposingIhaveenoughmoney
Shewillnotforgiveyouunlessyousaysorrytoherrightnow
Shewon'tleaveonconditionthatyouaskhertostay
Youmayusetheroomaslongasyoucleanitupafterwards
“祈使句+and/or/orelse/otherwise+陈述句”引导的句子中,祈使句在实际意义上相当于条件状语从句
Useyouhead,andyouwillfindaway
=Ifyouuseyourhead,youwillfindaway
Getupnow,oryouwillbelate
=Ifyoudon’tgetupnow,youwillbelate
时态:主将从现:在条件状语从句和时间状语从句中,当主句时态为一般将来时态时,从句中的一般将来时态要改为用一般现在时态来表示
Shewillleaveher