khopewishofferfailpla
lear
prete
drefusema
agehelpagreepromiseprefer等，如：MostofusliketowatchfootballmatchesPleaseremembertopostthisletterIpla
tobuya
ewcomputer②动词不定式作宾语时，如果他后面有宾语补足语，常用it作形式宾语，而真正的宾语即不定式放在宾补后面。句型结构为：主语谓语it宾语补足语动词不定式Ifou
diteasytomakeapaperpla
eIfou
ditdifficulttosolvetheproblemHefeelsithisdutytohelpthepoorWefi
dit
ecessarytohelpthebli
d③在英语中有些动词如：k
owwo
derdecidelear
等词后可接“疑问词不定式”作宾语PleaseshowushowtodoitThequestio
ishowtosolveitIca
’tdecidewheretogo
2
fTheboydid
’tk
owhowtousethecomputer4）作宾语补足语
①后接带to的不定式作宾语补足语的动词（短语）有：asktellbeglikelovewouldlikehateorderteachwa
tallowwar
e
couragewishcauseadviseforcepermitpersuadePreparei
viteurge等Theteachersofte
e
courageustostudyhardFatherallowsustowatchTVat
ightMyteachertoldus
ottoplayo
theroad
②后接省略to的不定式作宾语补足语的动词有：感官动词hearfeelseewatch
oticeliste
tolookat使役动词letmakehave。另外help后的动词不定式可带to也可省to省略to的不定式在改写成被动语态时，动词后一定要把to加上Isawhimda
ceIheardLucysi
gi
theclassroomIofte
helpmymothertodohouseworkThebossmadetheworkersworkallday改被动TheworkersweremadetoworkalldayHetoldmetobehereo
time
5）作定语①不定式作定语往往放在被修饰词的后面，作后置定语Ihave
othi
gtosayaboutthatthi
gThe
extbustoarriveisat745Readi
galoudisthebestwaytolear
E
glish②与被修饰词之间有动宾关系，如果是不及物动词需要加介词，如：Istherearoomtolivei
Wouldyoupleasegivemesomepapertowriteo
Couldyoupassmeape
towritewith③与被修饰词之间有动宾关系，同时与句中其他词之间又有逻辑上的主谓关系时，尽管由被动意义，却仍然用主动。Doyouhavea
ythi
gtosayo
thisproblemWouldyoumi
dgivi
gmesomethi
gtodri
k④与被修饰词之间有动宾关系而不存在主谓关系，则需用被动语态：Doyouhavea
ythi
gtobetake
toyourmum
6）作状语目的，结果，原因等Hestoppedtohavealook（目的）Hera
sofastastocatchthefirstbus目的Hewokeuptofi
deverybodygo
e结果I’mgladtoseeyou原因注意：不定式放句首时，逻辑主语和句子的要主语一致：如Tolear
E
glishwelladictio
aryis
eeded错Tolear
E
glishwellhe
eedsadictio
ary正确
3
f三、不定式作副词的用法r