语

事实相If主语shouldShouldwouldcould
反
If主语wereto动词原形
Ifitrai
stomorrowitwillbefi
e
fBetodosthIfJoh
werehere
owhewouldexplai
itIfyouhadaskedmeearlierIwouldhavetoldyouIfitrai
edshouldrai
weretorai
tomorrowIwouldstayathome※If条件句中有werehadcouldshould等，可省略if将werehadcouldshould提到句首，变为倒装。hadyouaskedmeearlierIwouldhavetoldyou
HadyouaskedmeearlierIwouldhavetoldyou
IfJoh
werehere
owhewouldexplai
itWereJoh
here
owhewouldexplai
it
二．Should动词原形1
f其后的宾语从句及以其同根名词suggestio
adviceproposalrequireme
引导的主语，表语，同位语从句中用should动词原形。HesuggestedthatweshouldgohomeearlierHissuggestio
wasthatweshouldgohomeearlier※区分suggestthat主语shoulddosth
Suggestdoi
gsthHesuggestedgoi
goutforawalkHesuggestedthatIshouldgooutforawalk
※i
sistsuggest各有两种意思，要用不同的语气I
sist表示“坚决要求”时，用虚拟形式I
sist表示“坚持认为，坚持说”时，用陈述语气，表示事实。Suggest表示“建议”时，用虚拟形式。Suggest表示“表明、暗示”时，用陈述语气。egYourpalefacesuggeststhatyouareill
fIi
sistedthatyouwerewro
gIi
sistedheshouldretur
____retur
thebook
2Itisimporta
t
ecessarystra
gethat类似用法的词有：
ecessary，stra
ge，
atural，desired，apityashame
owo
der…
egIt’s
ecessarythatweshouldhaveawalk
三．类似if型1Wishasifasthoughifo
lywouldratherthat…
egIwishIwere30yearsyou
gerHetreatedthelittlegirlasifshehadbee
heow
daughterIwouldratheryouhadgo
etherelastSu
dayIfo
lyIhadsee
thefilmyesterday
f2
egIt’shightimethatyouwe
tIt’shightimethatyoushouldgo3介词短语引导的虚拟语气
eg
Ifyouhad
othelpeduswewould
’thave
made
But
for
your
help
we
___________makesuchrapidprogress
fWithoutairthere__wouldbe________be
olivi
gthi
gsTha
kstothebraveyou
gma
otherwisetheboy______________diewouldhavedied
四．虚拟语气
1Ifo
lyhe____quietlyasthedoctori
structedhe
would
otsuffersomuch
ow
AliesBlayChadlai
Dshouldlie
2HowIwisheveryfamily____alargehousewitha
beautifulgarde

AhasBhadCwillhaveDhadhad
3Youdid
otletmedriveIfwe____i
tur
you
____sotired
Adrovedid
’tget
Bdrovewould
’t
get
Cweredrivi
gwould
’tgetDhaddrive
would
’thavegot4_____itrai
tomorrowwewouldhavetoputoffthevisittotheYa
gpuBridgeAWereBShouldCWouldDWill
f5Isuggestedtheperso
referredto______puti
to
priso

Awr