不定式的几种形式.ppt

Grammar:Infinitive不定式的几种形式
必须掌握的几点:
1.只能跟不定式做宾语的动词:,afford,
attempt,expect,hope,manage,agree,
pretend,wish,offer,fail,plan,decide,
promise,intend,refuse,seem,want,
happen
他们设法放火烧了那座宾馆.

他们未能及时签署那项协议.2.要求用不定式做宾补的动词:ask,tell,
invite,force,get,allow,wish,want,
expect,advise,encourage,persuade,
permit,order,warn,cause等.
另外,besaid/report/expectedtodo
当沙尘暴袭击这座城市时,专家建议我们
不要出门.
据说他们那天遭遇了飓风.
Theyaresaidtohavebeencaught
inahurricanethatday.
据报道火灾发生时他们正在丈量土地.
Theyarereportedtobemeasuring
fieldswhenthefireoccurred.
他们被迫把家具搬出房屋.
Theywereforcedtomovethe
furnitureout.注意:下列两种情况中的宾补用动词原形:
1.使役动词let,make,have后.
医生要我在床上躺一个星期.

(被动)
2.感官动词notice,observe,watch,see,
lookat,find,hear,listento,feel等后.
你看火山喷发了么?
3.几个区别:stop,goon,remember,
forget,try,mean,regret
我忘了把那些证据销毁.

别发牢骚了.我们没有足够的时间了.

我很后悔跟他交换了戒指.

这就意味着他们不能接受更好的教育.4.need,want,requiredoing
=tobedone
这些死鸡需要掩埋.

什么引起的这些自然灾害?这个问题需要
思考.5.but,except,besides,otherthan作“除了…以外”解时,若前面部分有行为动词do(非助动词)的各种形式如do,did,done等时,but之后接dosth.反之,后接todosth.
Hecandonothingbutwait.
Hedidn’twantanythingbuttoplayinthepark.E.g.:
Shecoulddonothingbut_____(cry).
Whatdoyouliketodobesides______(swim)?
Ihavenochoicebut_________(wait).
Therewasnothingformetodootherthan______(wait)untilthemeetingwasover.
Ihadnothingtodobut______(watch)TV.2.当句子的谓语动词是can’t,can’thelp,can’tchoose等结构时,but,except后的不定式to也省略,常译为不得不。
E.g.:
Wecan’tbutadmirehisbravery.
Wecan’tchoosebutwait。
SheissuchalovelygirlthatIcan’thelpbutloveher.1.Sandycoulddonothingbut_____tohisteacherthathewaswrong.
A.admit
B.admitted
C.admitting
D.toadmit2.---Howdidyouspendyourweekend,
Jone?
---Ididn’tfindanythinginterestingfor
me___somewashinginsteadofmy
mother.
A.butdidB.butdo
C.butdoingD.buttodo3.Thestudentsdidnothingexcept____alldaylong.
A.played
B.playing
C.play
D.toplay