ewatchhearfeelhave等与不带有to的不定式连用,但改为被动语态时,不定式要加to如:
Isawhimcrosstheroad
Hewassee
tocrosstheroad(5)作定语:动词不定式作定语,放在所修饰的名词或代词后。与所修饰名词有如下关系:①动宾关系:
Ihaveameeti
gtoatte
d
2
f注意:不定式为不及物动词时,所修饰的名词如果是地点、工具等,应有必要的介词,如:
Hefou
dagoodhousetolivei
Thechildhas
othi
gtoworryabout②被修饰名词是不定式逻辑主语:Heisthefirsttogethere(6)作状语:①表目的:Heworkeddaya
d
ighttogetthemo
eyShesoldherhairtobuythewatchchai
注意不定式放句首时,逻辑主语与句子主语要一致:wro
g:Tosavemo
eyeverymea
shasbee
triedright:Tosavemo
eyhehastriedeverymea
swro
g:Tolear
E
glishwelladictio
aryis
eededright:Tolear
E
glishwellhe
eedsadictio
ary②表结果:Hearrivedlatetofi
dthetrai
go
e常用o
ly放在不定式前表示强调:Ivisitedhimo
lytofi
dhimout③表原因:Theywereverysadtohearthe
ews④表程度:Itstoodarkforustoseea
ythi
g(7)作独立成分:TotellyouthetruthIdo
tlikethewayhetalked(8)不定式的省略:保留to省略do动词。Ifyoudo
twa
ttodoityoudo
t
eedto(9)不定式的并列:第二个不定式可省略to。
Hewishedtostudymedici
ea
dbecomeadoctor掌握动词不定式应注意的几个问题:
1.“to”是不定式符号还是介词,下列短语中的to都是介词。agreetoobjecttoclosetocometoleadtorefertoequaltofamiliartopoi
ttotha
ktodevoteto
exttobelo
gtobeusedtolookforwardto2.带to还是不带toIhave
ochoicebuttogivei
3
fIca
otdoa
ythi
gbutgivei
Isawhime
tertheclassroom(但是:Hewassee
toe
tertheclassroom)动名词:动名词既具有动词的一些特征,又具有名词的句法功能。1.动名词的形式:否定式:
ot动名词(1)一般式:Seei
gisbelievi
g眼见为实。(2)被动式:Hecametothepartywithoutbei
gi
vited.他未被邀请就来到了晚会。(3)完成式:Werememberedhavi
gsee
thefilm我们记得看过这部电影。(4)完成被动式:Heforgothavi
gbee
take
toGua
gzhouwhe
hewasfiveyearsold
他忘记五岁时曾被带到广州去过。(5)否定式:
ot动名词Iregret
otfollowi
ghisadvice我后悔没听他的劝告。(6)复合结构:物主代词(或名词所有格)动名词Hesuggestedourtryi
gito
ceagai
他建议我们再试一次。His
otk
owi
gE
glishtroubledhimalot他不懂英语给他带来许多麻烦。2.动名词的句法功能:(1)作主语:Readi
galoudisveryhelpful朗读是很有r