upto
owthoughitis
tstro
gatall2Thoughtheyaretwi

though…yetstillthough较普遍，常用于非正式的口语和书面语中。eve
能和though组合表示强调，在这里eve
thougheve
if
omatterifthough即使…也…。though可以独立用作副词，常放在句末，意为allthesame还是；仍然或however可是；然而。although意为“虽然”。不能和but
brotherstheydo
’tlooklikeeachother3Eve
ifEve
thoughwecouldafforditwewouldafforditwewould
’tgoabroadforourvacatio

1Althoughhediedseveral
f连用。但是可以同yetstill连用，构成
years
ago
I
ca

still
rememberthedayswespe
ttogethera
dwhathehastaughtmeaboutlove2Althoughwehadlittlefoodwithuswedecidedtospe
dthe
ighti
thecar
although…yetstillalthough较为正式，语气比though重，常用以强调让步概念。eve
不能和although组合。
8比较状语从句引导词as…as用法意为“和…一样”。表示同级的比较。使用时要注意第一个as为副词，第二个as为连词。其基本结构为：asadjadv原级as。若有修饰成分，如twicethreetimeshalfaquarter等，则须置于第一个as之前。
otasso…as意为“和…不一样，不如”。也表示同级比较。1Sheis
otsoasoutgoi
gashersister2Thisdictio
aryis
otassousefulasyouthi
k示例1Sheca
pai
taswellashereteacher2Ira
outasquicklyaspossible
9方式状语从句引导词asjustasso…用法意为“犹如，就像”。引导的方式状语从句通常位于主句后，但在justasso…结构中位于示例1Whe
i
RomedoastheRoma
sdo2Aswateristofishsoairistoma

f句首，这时as从句带有比喻的含义，意为“正如…，就像”，多用于正式文体。asifasthough意为“就像，好像”。两者的意义和用法相同，引出的状语从句谓语多用虚拟语气，表示与事实相反，有时也用陈述语气，表示所说情况是事实或实现的可能性较大。常译作“仿佛…似的，好像…似的”。1Ifwould
everforgetheresmileorthewayhereyessho
easifwewerethesameage2Itlooksasiftheweathermaypickupverysoo

练习一一单项填空1_______he’soldheca
stillcarrythisheavybagAThoughBSi
ceCForDSo
2Doyouk
owifhe_______toplaybasketballwithusIthi
khewillcomeifhe______freetomorrowAcomesisBcomeswillbeCwillcomeisDwillcomewillbe
3I
thezooifachild_____i
tothewatera
dca
’tswimthedolphi
smaycomeup______himAwillfalltohelphelpi
g4Ido
’tremember________heworkedi
thatcitywhe
hewasyou
gAwhatBwhichCwhereDwhoBfallstohelpCwillfallhelpDr