句中。例如：Aswek
owsmoki
gisharmfultoo
eshealthearthwhichisveryimporta
ttous7先行词和关系词二合一1）Whoeverspitsi
publicwillbepu
ishedhere（Whoever可以用a
yo
ewho代替）Thesu
heatstheThehousewhichwebought
f2）Thepare
tswillusewhattheyhavetose
dtheirso
totech
icalschool（what可以用allthat代替）8whatwhateverthat和what
1）whatthethi
gwhich；whatevera
ythi
g。例如：Whatyouwa
thasbee
se
there你要的动词都送来了。Whateveryouwa
tmakes
odiffere
cetome不管你要什么，跟我没什么关系。2）that和what当that引导定语从句时，通常用作关系代词，而引导名词性从句时，是个不充当任何成分的连接词。宾语从句和表语从句中的that常可省略。What只能引导名词性从句，用作连接代词，作从句的具体成分，且不能省略。例如：Ithi
k（that）youwilllikethestamps9关系代词that的用法1）不用that的情况a）引导非限定性定语从句时。例如：Thetreewhichisfourhu
dredyearsoldisveryfamoushereb）介词后不能用。例如：Wedepe
do
thela
dfromwhichwegetourfood2）只能用that作为定语从句的关系代词的情况a）在therebe句型中，只用that，不用which。Whatwe
eedismorepractice
b）在不定代词，如：a
ythi
g
othi
gtheo
eallmuchfewa
ylittle等作先行词时，只用that，不用which。c）d）先行词有theo
lythevery修饰时，只用that。先行词为序数词、数词、形容词最高级时，只用that。
e）先行词既有人，又有物时。例如：Allthatis
eededisasupplyofoil所需的只是供油问题。
三巩固练习1Hispare
tswould
’tlethimmarrya
yo
e______familywaspoorAofwhomBwhomCofwhoseDwhose
2Sheheardaterrible
oise_______broughtherhearti
tohermouthAit3I
thedarkstreetAthatBwhichCthisDthat
therewas
’tasi
gleperso
_____shecouldtur
forhelpCfromwhomDtowhom
Bwho
4Theweathertur
edouttobeverygood____wasmoretha
wecouldexpectAwhatBwhichCthatDit
5Afterlivi
gi
Pairsforfiftyyearsheretur
edtothesmalltow
____hegrewupasachildAwhichBwhereCthatDwhe

6．Carolsaidtheworkwouldbedo
ebyOctober＿＿＿＿＿perso
allyIdoubtverymuchAitBthatCwhe
Dwhich
f7．Dorothywasalwaysspeaki
ghighlyofherrolei
theplay________ofcoursemadetheothersu
happyA．whoB．whichC．thisD．what
8Rece
tlyIboughta
a
cie
tChi
esevase_____wasveryreaso
ableAwhichpriceBthepriceofwhichCitspriceDthepriceofwhose
9_____hasalreadybee
poi
tedoutAAsBIt
grammaris
otasetofdeadrulesCThatDWhich
10Helivedi
Lo
do
for3mo
thsduri
g__r