2013高考英语专题复习情态动词精讲
情态动词的基本用法
情态动词的特点1没有人称和数的变化。2有些情态动词有过去式的变化：will→wouldca
→couldmay→mightdare→daredca
could1表示能力。Twoeyesca
seemoretha
o
e2表示允许。Ca
Ihavealookatyour
ewpe
Ca
Couldyoule
dmeaha
d3表惊异、怀疑、不相信等态度。主要用于否定句、疑问句或感叹句中。Whereca
couldtheyhavego
etoHeca
’tcould
’tbeoversixtyHowca
youbesocareless4表示猜测肯定句把握较小；否定句几乎为100把握Thetemperatureca
fallto10℃Youca
’tbeseriousmaymight1．表允许，might是may的过去式用在疑问中比may委婉、客气。YoumaytakewhateveryoulikeHetoldmethatImightsmokei
theroom2表可能（事实上）语气不肯定。。Hemaybeathome他可能在家。Shemay
otk
owaboutitIamafraidtheymight
otagreewithhimTheymightbehavi
gameeti
gbutI’m
otsuremust1表必须（主观意志）Wemustdoeverythi
gweca
tohelphimYoumust
’ttalktoherlikethatMustweha
di
ourexercisebooks
owNoyou
eed
’tNoyoudo
’thaveto2表示很有把握的推断，意为“想必、准是、一定”等，只用于肯定句。havehasto：havehasgotto必须不得不。过去式为hadto。HemustbeillHelookssopaleShemusthavealotofmo
eyforshedrivesaBMWshall1表征询意见，用于第一、第三人称疑问句。ShallIgetyousometeaShalltheboywaitoutsideItsafi
edayLetsgofishi
gshallwe2表说话人的意愿，有“命令、允诺、警告、决心”等意思，用于第二、第三人称陈
1
f述句。YoushalldoasIsay（命令）YoushallhavetheE
glishbookassoo
asIfi
ishit（允诺）Heshallbesorryforito
edayItellyou（警告）Everythi
gthatheow
sshallbetake
awayfromhim（决心）will1表意愿，用于各种人称陈述句。Iwilldoa
ythi
gforyouIfyouwillreadthebookI’llle
dittoyou2表请求，用于疑问句。Do
tsmokei
themeeti
groomwillyouWo
’tyoudri
ksomemorecoffee3表示某种倾向或习惯性动作。FishwilldieoutofwaterThedoorwo
’tope
would1表意愿。Theywould
otlethimi
becausehewaspoorlydressed2表委婉地提出请求、建议或看法。Wouldyoulikea
otherglassofbeer3表过去反复发生的动作或过去的一种倾向。Everytimeshewasi
troubleshewouldgotohimforhelpshould1表义务。意为“应该”，用于各种人称。Youshouldliste
tothedoctorsadvice你应该听从医生建议的。Youshouldstudythearticlecarefully你应该仔细读那篇文章。2表推测，意为“想必一定、照说应该、估计”等r