eerThepoliceme
ischecki
ghisgoodswhichareeasilyrotte
Hedid
’tcomehomelast
ightwhichmadehismotherreallyworried四、特别关注（一）as作关系代词as也可用作关系代词，可以引导限制性定语从句或非限制性定语从句。
4
f1用于限制性定语。在限制性定语从句中，出现thesame…或者suchso…时，定语从句中指代主语或宾语，常用as引导定语从句。ThisisthesamebookasIreadlastweekTomissuchacuteboyaswealllikeTomissocuteaboyaswealllike请区别：Heisthesamema
thatImetlast
ightatthepartyThisisthesamebookthatIreadlastweekTomissuchacuteboythatwealllikehimTomissocuteaboythatwealllikehim
2用于非限制性定语从句Asweallk
owChi
ais
owtheseco
dlargesteco
omyi
theworldChi
ais
owtheseco
dlargesteco
omyi
theworldasweallk
ow请区别：Chi
ais
owtheseco
dlargesteco
omyi
theworldwhichweallk
ow
（二）只能用that引导定语从句的情况1当先行词是allmuchlittlefeweverythi
ga
ythi
gsomethi
g
othi
g等表物的不定代词时
That’sallthatshehasdo
ethismor
i
gThere’s
otmuchthatweca
doaboutit
owThere’s
othi
gi
theworldthatca
discouragehimfromco
ti
ui
ghisresearchi
tospace2当先行词既指人又指物时Thesepicturesofte
remi
dmeofthepeoplea
dthi
gsthatIcameacrossat
5
fu
iversity3当先行词是最高级或有序数词修饰时
SuzhouisthemostbeautifulcitythatIhavebee
tosofarThecitywassodirtya
dda
gerousItwasthelastcitythatIwa
ttovisit4当先行词前面有theo
lytheveryjustthe等起强调作用的修饰词时Thebookistheo
lyo
ethatIhaveright
owThisistheverybookthatIamlooki
gforThisisjustthebookthatIamlooki
gfor5当特殊疑问句中出现疑问词which，而先行词指物时Whichisthebookthatyouarelooki
gfor6当特殊疑问句中出现疑问词who而先行词指人时Whoistheguythatpattedyouo
theshoulder（三）先行词关系代词whatSuzhouliesi
theplacethatwhichusedtobethea
cie
tWuKi
gdomSuzhouliesi
whatusedtobethea
cie
tWuKi
gdomSuzhouliesi
theplacethatwhichthea
cie
tWuKi
gdomwasi
Suzhouliesi
whatthea
cie
tWuKi
gdomwasi
（四）（介词）先行词关系副词whereSuzhouliesi
theplacei
whichwherethea
cie
tWuKi
gdomwasSuzhoulieswherethea
cie
tWuKi
gdomwasTomloveshisjobi
whichwheresomecalculati
gskillsare
eeded（五）定语从句的分离现象当定语从句太长时，为使句子保持平衡，常常把定语从句后置或同先行词分开。
6
fThedayswhe
weusedtypewritersareforevergo
eThedaysareforevergo
ewhe
weusedtypewriters
Go
earethedayswhe
weusedtypewriters五、名r