中考英语知识点：引导状语从句的从属连词
1)连接时间状语从句的从属连词
before在···之前ThewarhadbeenoverbeforehecametoChina.
after在···之后HecametoChinaafterthewarwasover.
since自从IhavelivedinthiscitysinceIwasborn.
when/while当···Theteacherenteredtheclassroom,whenallthestudentswereplaying
WhenIcameintothisroom,Ifoundhimlyingbedasleep(while后接的动词是延续性的动词)
as当···IsawherasIwasgettingonthebus.
till/until直到Ididn’tgotosleepuntil/tillIfinishedmyhomework.
assoonas一···就···Assoonashesawthepoliceman,thethiefrunaway.
2)连接地点状语从句的从属连词
where在哪里TherewerelotsofparkswhereIlived.
3)连接原因状语从句的从属连词
because原因,用于解释某事的原因，动机，强调直接原因和因果关系IdoitbecauseIlikeit.
for表因为，表间接的原因，用于说明，解释Isoonwenttosleep,forIwastired
since表原因，比because弱，比as强，表一种已知的，显然的理由，常译为“既然
as表原因时，意义最弱Asyouareinpoorhealth,youshoulddomoreexercises
4)连接结果状语从句的从属连词
so···that···如此···以至于···Heissokindthateverybodylikeshim.
such···that···Heissuchakindmanthateverybodylikeshim
5)连接目的状语从句的从属连词
that/sothat/inorderthat为了
Speakclearlythat/sothat/inorderthattheymayunderstandyou.
6)连接条件状语从句的从属连词
if如果Ifitrainstomorrow,wewon’tgoonapicnic.
unless除非(如果不)Hewillcomeunlessitrains.
incase万一YoumaycallthisnumberincaseIamnotathome
7)连接比较状语从句的从属连词
than比It’seasierthanIthought.
as/so···as···和···一样Sheisastallasyou.
Heisnotas/sotallashiswife.
8)连接方式状语从句的从属连词
as按照DoasItoldyou.
Takethingsastheyare.
asif/though仿佛Hebehavesasif/thoughhewasachild.
9)引导让步状语从句的从属连词
although/though尽管AlthoughJapanissmall,thepopulationisbig.
evenif即便Evenifitwassnowingheavily,wewentonrunning.