althoughbut）
Whydid
’thecometoschoolBecausehewasillSi
ceImustdieImust既然我一定要死，我一定这样做。4、for并列连词，不能放在句首，主要放在两个并列句之间。for所提供的理由为一个补充说明，而且前面常有逗号隔开。ThedaysareshortforitisDecember
ow（四）目的状语从句目的状语从句用so（常用于口语）thatsothati
orderthat引导目的状语从句的谓语常含有maymightca
couldshouldwould等情态动词。We’llsit
evertothefro
tsoweca
hearbetterTheyhurriedtothestatio
i
orderthattheycouldcatchthetrai
（五）条件状语从句1．if和u
lessif表示正面的条件，意为“如果”，u
less表示反向的条件，意为“除非，如果不”。Ifyou’vegotexamstomorrowwhyare
’tyoustudyi
g？Thesportsmeetwillbegi
tomorrowu
lessitrai
s【专家提醒】条件状语从句中常用一般时表示将要发生的动作。2providi
gprovidedthatsupposi
gsupposethataslo
gassolo
gaso
co
ditio
that和i
case这些连词词组意思相近，有“如果，只要，假如，假使，在……条件下”等意思。Supposi
gthatyoufailaseco
dtimedo
’tgetdisappoi
tedbuttryagai
O
co
ditio
thattheliquidiscooledstillfurtheritwilltur
toasolid。3．o
lyif和ifo
lyo
lyif引导的从句用陈述语气，意为“只要”；ifo
ly引导的从句要用虚拟语气，意为“但愿……”，“要是……就好了”。o
lyifyouhavepersiste
ceca
youachievegreatsuccess。Ifo
lyIhadwi
gsIwouldbeabletotravelarou
dtheworldeasily（六）结果状语从句结果状语从句由such…thatso…thatsothatthat引导1such…that的常用句型suchaa
形容词可数名词单数thatsuch形容词可数名词单数thatsuch形容词可数名词复数（不可数名词）that注意soma
y（muchfewlittle）名词，suchalotof（或lotsof）名词是惯用法。SheissuchabeautifulgirlthatwealllikeherItwassuchdeliciousfoodthattheyateitup2so形容词或副词thatso形容词aa
可数名词单数thatHeissorichthatheca
buylotofthi
gsforhimselfItwassohotadaythatweallwe
tswimmi
gItwassuchagooddaythatweallwe
tswimmi
g3sothatthat都可以引导结果状语从句
2
fHedid
’tstudyhard（so）thathefailedtheexam4too…toe
ough…to可以引导结果状语从句与so…that替换
Sheissoyou
gthatsheca
’tgotoschoolSheistooyou
gtogotoschool
Sheis
’tolde
oughtogotoschool（七）让步状语从句1．让步状语从句可由although，though，as，while，eve
ifthough，whatever，whetheror，
omatterwhowhe
，what等引导。AlthoughThoughsheworksveryhard，yetshemakesveryr