<TD></TD></TABLE>
典型例题
thereeshe
astnthavehurried buldnthavehurried cstnothurry dneednthavehurried
答案d。neednthavedone意为”本不必”，即已经做了某事，而时实际上不必要。
stnthavedone用法不正确，对过去发生的事情进行否定性推断应为uldnthavedone,”不可能已经”。stnotdo不可以用于一般现在时。
1610 虚拟语气练习
1 1everythingifalberthadntcalledthefirebrigade
a aroyedbroyed
b broyeddroyed
2 2ifyouhadntgoothepartylastnight,
a ayoueetjohnalreadybyouissedjohn
cyouetjohndyouetjohn
3 3supposingthisship,doyouthinktheresforallthepassengers
aosinkdsunk
4 4theinsectsinsecteatinganils
aitisnotbitcnotdthey
5 5theteachersuggestedthateachstudentaplanforthevacation
adebkeckesdake
6 6frankly,idratheryouanythingaboutitforthetibeing
adobdontdocdidntdoddo
7 7afterthereatedyou,ifiinyourplace
abebawasdwere
8 8theideaisthatthenationanunnnedspacecrafttoexploretheplafirst
asentbsendscsenddstsend
9 9itshightiyou
astarttoarttoartedtoartedtowork
10 10“ifihadntpracticedusiciansays,“iabletoplaysowellnow”
abebbechavebeenduldnthavebeen
11 11itisierativethatyouthereinperson
aarebbedwillbe
12 12theato
aasitheyweredasifare
13 13achinepartscastiron
aisdeofbbedefrodeby
14 14thenagenturgedthatthestofproduction
a atobefurtherreducedbherreduced
b bbefurtherreduceddshouldfurtherreduced
15 15thebusinessisriskybuth
ashouldightceeddceed
16 16ieachertogiveanothertestihaventgotpreparedyet
aisntgoingbgoingcgoingduldhavegone
17 17iovieshyoulastnight
abdidgoculdgoduldhavegone
18 18idjustassoonrudelytoher
athatyouspeakbyouotspeakingcyounotspeakdyoudidntspeak
19 19ifiinthetyvacationinaverydifferentway
ashouldlivewouldspendbwillliveshouldspend
carelivingshouldhavespentd
20 20itisrequiredthatthechineasfrequentlyasnecessary
abeoiledbstbeoiledcisoileddwilloil
21 21hisenglishtea
abeginsbbegincwillbegindisbeginning
22 22hattheplanbeforebeingputintoexecution
a aisfullydiscussedbstbefullydiscussed
cbefullydiscusseddussed
23 23proventsintheoldtypeofvacuuleaner
abedebadecadedade
24 24thedoctorsadviceisthatthepatientabouthisrealphysicalndition
a abenottoldbnotbetoldcustnotbetold
25 25,e
a aiftheydonothelpusbnotfortheirhelp
cshouldtheyoffertohelpusdbutfortheirhelp
26 26iforecareful,uchbetterresultsnow
agotbhadgotctingd
27 27henryariorefrugalinthepast
awillbedwas
28 28theythoughtitdesirablethatanardguardinreadiness
astandsbstandcstooddand
29 29allsciencestudents,,shouldhaveagoodfoundationinbasicsciences
a aists
btheyarefuturephysiists
ists
d dbetheyfuturephysiists
30 30sallycanthavee,ortheletterbynow
aillgetbillhavegotcidhavegotdidget
31 31ishouldverychliketohavegoothepartybuti
aaotinvitedbnotbeinginvited
32 32thereisageneralunderstandingangtheersoftheboardofdirectorsthatchiefattentiontotheundertakingthatisexpectedtobringinhighestprofit
aisgivenbgivesustbegiven
33 33oneoftherequirentsforafireisthattheterialtoitsbuingteerature
abeheatedbisheatedceddtoheat
34 34“didyougotoseethefootballtchyesterday”
“noididntfeeliwouldhavegoneifi”
a adidbhavecwoulddhad
35 35ifhatshehadplannedtoarrivetoday,thebusstation
ayhavetbghtetcyetdghthavet
36 36rainthanherway
atraveledbhadtraveledctraveldhavetraveled
37 37hetoldhoeshelterandprotectionhouthiofhungerandld
awoulddiedwillhavedied
38 38today,hetherebyfriday
a aoleavedifheleaves
39 39hadeleanyprobleofspaceflight
a auldbenotsolvedbuldnotbesolved
b buldnothavebeensolvedduldnothavesolved
40 40heisapoorlyleatnbutheactsasthoughhe
aisbslike
41 41thedriverlookedovertheenginecarefullylestitontheway
agoesrong
42 42thefog,ination
ab
... </P></TD>
典型例题
thereeshe
astnthavehurried buldnthavehurried cstnothurry dneednthavehurried
答案d。neednthavedone意为”本不必”，即已经做了某事，而时实际上不必要。
stnthavedone用法不正确，对过去发生的事情进行否定性推断应为uldnthavedone,”不可能已经”。stnotdo不可以用于一般现在时。
1610 虚拟语气练习
1 1everythingifalberthadntcalledthefirebrigade
a aroyedbroyed
b broyeddroyed
2 2ifyouhadntgoothepartylastnight,
a ayoueetjohnalreadybyouissedjohn
cyouetjohndyouetjohn
3 3supposingthisship,doyouthinktheresforallthepassengers
aosinkdsunk
4 4theinsectsinsecteatinganils
aitisnotbitcnotdthey
5 5theteachersuggestedthateachstudentaplanforthevacation
adebkeckesdake
6 6frankly,idratheryouanythingaboutitforthetibeing
adobdontdocdidntdoddo
7 7afterthereatedyou,ifiinyourplace
abebawasdwere
8 8theideaisthatthenationanunnnedspacecrafttoexploretheplafirst
asentbsendscsenddstsend
9 9itshightiyou
astarttoarttoartedtoartedtowork
10 10“ifihadntpracticedusiciansays,“iabletoplaysowellnow”
abebbechavebeenduldnthavebeen
11 11itisierativethatyouthereinperson
aarebbedwillbe
12 12theato
aasitheyweredasifare
13 13achinepartscastiron
aisdeofbbedefrodeby
14 14thenagenturgedthatthestofproduction
a atobefurtherreducedbherreduced
b bbefurtherreduceddshouldfurtherreduced
15 15thebusinessisriskybuth
ashouldightceeddceed
16 16ieachertogiveanothertestihaventgotpreparedyet
aisntgoingbgoingcgoingduldhavegone
17 17iovieshyoulastnight
abdidgoculdgoduldhavegone
18 18idjustassoonrudelytoher
athatyouspeakbyouotspeakingcyounotspeakdyoudidntspeak
19 19ifiinthetyvacationinaverydifferentway
ashouldlivewouldspendbwillliveshouldspend
carelivingshouldhavespentd
20 20itisrequiredthatthechineasfrequentlyasnecessary
abeoiledbstbeoiledcisoileddwilloil
21 21hisenglishtea
abeginsbbegincwillbegindisbeginning
22 22hattheplanbeforebeingputintoexecution
a aisfullydiscussedbstbefullydiscussed
cbefullydiscusseddussed
23 23proventsintheoldtypeofvacuuleaner
abedebadecadedade
24 24thedoctorsadviceisthatthepatientabouthisrealphysicalndition
a abenottoldbnotbetoldcustnotbetold
25 25,e
a aiftheydonothelpusbnotfortheirhelp
cshouldtheyoffertohelpusdbutfortheirhelp
26 26iforecareful,uchbetterresultsnow
agotbhadgotctingd
27 27henryariorefrugalinthepast
awillbedwas
28 28theythoughtitdesirablethatanardguardinreadiness
astandsbstandcstooddand
29 29allsciencestudents,,shouldhaveagoodfoundationinbasicsciences
a aists
btheyarefuturephysiists
ists
d dbetheyfuturephysiists
30 30sallycanthavee,ortheletterbynow
aillgetbillhavegotcidhavegotdidget
31 31ishouldverychliketohavegoothepartybuti
aaotinvitedbnotbeinginvited
32 32thereisageneralunderstandingangtheersoftheboardofdirectorsthatchiefattentiontotheundertakingthatisexpectedtobringinhighestprofit
aisgivenbgivesustbegiven
33 33oneoftherequirentsforafireisthattheterialtoitsbuingteerature
abeheatedbisheatedceddtoheat
34 34“didyougotoseethefootballtchyesterday”
“noididntfeeliwouldhavegoneifi”
a adidbhavecwoulddhad
35 35ifhatshehadplannedtoarrivetoday,thebusstation
ayhavetbghtetcyetdghthavet
36 36rainthanherway
atraveledbhadtraveledctraveldhavetraveled
37 37hetoldhoeshelterandprotectionhouthiofhungerandld
awoulddiedwillhavedied
38 38today,hetherebyfriday
a aoleavedifheleaves
39 39hadeleanyprobleofspaceflight
a auldbenotsolvedbuldnotbesolved
b buldnothavebeensolvedduldnothavesolved
40 40heisapoorlyleatnbutheactsasthoughhe
aisbslike
41 41thedriverlookedovertheenginecarefullylestitontheway
agoesrong
42 42thefog,ination
ab
... </P></TD>