一、时态和语态
1如何解答时态问题
例1You’vealreadymissedtooma
yclassesthistermYou______justlastweek
Amissed
Bwouldmiss
Chadmissed
Dhavemissed
例2A
easkedTom______thekey
Awhe
heleft
Bwherehehadleft
Chowheleft
Dwhydidheleft
考试重点
2与完成时有关的时态
★现在完成时havedo
esi
cefori
thepastfewmo
thsupto
ow例1Collecti
gtoycarsasahobbybecomesi
creasi
glypopularduri
gthepastfiftyyears
ABCD
例2E
glish______i
a
ewwayatmycollegei
thepastfewyears
Ahasbee
taught
Bwasbei
gtaught
Chasbee
taught
Dhadbee
taught
★过去完成时haddo
e
例3A
easkedTom______thekey
Awhe
heleft
Bwherehehadleft
Chowheleft
Dwhydidheleft
例4Thechemistryclass_____forfivemi
uteswhe
wehurriedthere
Ahadbee
o
Bhadbegu
Chasbee
o
Dwouldbega
★将来完成时willhavedo
eby
例5We’relateIexpectthefilm_____bythetimewegettotheci
ema
Ahadalreadystarted
Bhavealready
Cwillalreadyhavestarted
Dhavealreadybee
started
★现在完成进行时havebee
doi
g
例6Itseemsoil___________fromthispipeforsometimeWellhavetotakethemachi
eaparttoputitright
★过去完成进行时hadbee
doi
g
★将来完成进行时willhavebee
doi
g
例7Bythetimeyouarrivethiseve
i
g_______fortwohours
AIwillstudy
BIwillhavebee
studied
CIhadstudied
DIwillhavebee
studyi
g
3在时间和条件状语从句中不用将来时态
▲用一般现在时代替一般将来时
例1Whe
themixture_____itwillgiveoffapowerfulforce
Awillheat
Bwillbeheated
Cisheated
Dhasheated例2pleasebesuretotelepho
emethe
exttimeyou______
Awillcome
Bwouldcome
Cshallcome
Dcome
▲用现在完成时代替将来完成时
例3Smithistostudymedici
eassoo
ashe_______militaryservice
Awillfi
ish
Bhasfi
ished
Cfi
ish
Dwouldfi
ish
注意
例4Noo
eca
besureifthecaro
displayfitshimorheru
tilheorshe______them
Atries
Bwilltry
Caretryi
g
Dhavetried
4考试小窍门
◆考试中如果遇到与完成时态相关的选项要重点加以研读一般说来是正确答案。
二、情态动词
1几个情态动词的否定式的含义
ca
’t
may
ot
must
’t
eed’t
2表示推测的几个情态动词用法
★must表示肯定的推测意思是“一定”
fdo对现在情况的推测
must
havedo
e对过去情况的推测
例1I________asleepi
thecor
erforIremember
othi
gofwhathappe
edduri
gthe
ight
Amightfall
Bmustfall
Cmusthavefalle
Dca
havefalle
★ca
’tcould’t表示否定的推测意思是“不可能”
do对现在情况的推测
ca
’tcould
’t
havedo
e对过去情况的推测
★maymight
ot表示可能性很小的推测意思是“也许…”
do对现在情况的推测
r