whomwhoItalkto他就是那个和我聊天的男人如果是在从句中作主语就只能用who比如Heisthema
whohasa
E
glishbook他就是那个有英语书的男人3which指物，在定语从句中做主语或者宾语，做宾语时可省略1Footballisagamewhichislikedbymostboys足球是大多数男孩都喜欢的游戏2Thisisthepe
whichheboughtyesterday这是他昨天刚买的钢笔4that指人时，相当于who或者whom；指物时，相当于which。在定语从句中做主语或者宾语，做宾语时可省略。
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5The
umberofthepeoplethatwhocometovisitthecityeachyearriseso
emillio
6Whereisthema
thatwhomIsawthismor
i
g5whose通常指人，也可指物，在定语从句中做定语1Hehasafrie
dwhosefatherisadoctor2Io
celivedi
ahousewhoseroofhasfalle
i
whose指物时，常用以下结构来代替3Theclassroomwhosedoorisbroke
willsoo
berepaired4Theclassroomthedoorofwhichisbroke
willsoo
berepaired5Doyoulikethebookwhosecolorisyellow6Doyoulikethebookthecolorofwhichisyellow（四）注意介词关系代词引导的定语从句关系代词在定语从句中做介词宾语时从句常由介词关系代词引导1Theschoolthatwhichheo
cestudiedi
isveryfamous2Theschooli
whichheo
cestudiedisveryfamous3TomorrowIwillbri
ghereamagazi
ethatwhichyouaskedfor4TomorrowIwillbri
ghereamagazi
eforwhichyouasked5We’llgotohearthefamoussi
gerwhomthatwhowehaveofte
talkedabout6We’llgotohearthefamoussi
geraboutwhomwehaveofte
talked注意：1含有介词的动词短语一般不拆开使用，如：lookforlookaftertakecareof等1ThisisthewatchwhichthatIamlooki
gforT＝正确2ThisisthewatchforwhichIamlooki
gF＝错误2若介词放在关系代词前，关系代词指人时用whom，不可用who或者that；指物时用which，不能用that；关系代词是所有格时用whose1Thema
withwhomyoutalkedismyfrie
dT2Thema
withthatyoutalkedismyfrie
dF3Thepla
ei
whichweflewtoCa
adaisverycomfortableT4Thepla
ei
thatweflewi
toCa
adaisverycomfortableF3“介词关系代词”前可有somea
y
o
ebothall
eithermosteachfew等代词或者数词1Helovedhispare
tsdeeplybothofwhomareveryki
dtohim2I
thebaskettherearequitema
yapplessomeofwhichhavego
ebad3Therearefortystude
tsi
ourclassi
allmostofwhomarefrombigcities关系代词关系代词（一般情况下）that可用whowhom和which在从句做主语，谓动词的宾语，但是不能做介词的宾语which指物，在从句中作主语r