会计学Tobe,ornottobe-thatisthequestion.HaveALk5.Atthatmoment,Ihadtoshoutloudlytobeheardbyeveryone.6.Theposterswereorderedtobeprintedimmediately.7.Themanagerorderedtheposterstobeprintedimmediately.8.Look,theyarewaitingforthedoortobeopened.9.Makesurethatyouknowwhatistobedone.不定式语法不定式的时态和语态语态时态当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态；当动词不定式的逻辑主语是动词不定式所表示的动作的承受者时用被动语态。进行式和完成进行式没有被动语态。1现在时：一般现在时表示的动词，有时与谓语动词表示的动作同时发生，有时发生在谓语动词的动作之后。Heseemstoknowthis.Ihopetoseeyouagain.=IhopethatI’llseeyouagain.2完成时：表示的动作发生在谓语动词表示的动作之前。I’msorrytohavegivenyousomuchtrouble.Heseemstohavecaughtacold.3进行时：强调动作已在延续或动作正在进行。Theyseemtobegettingalongwellwiththeirnewjobs.Heseemstobeeatingsomething.4完成进行时：表示动作是在谓语动词所表示的动作之前就一直在进行。Theyaresaidtohavebeencollectingstampsforovertwentyyears.Heappearstohavebeenwaitingalongtime.不定式的被动形式有下列用法:(3)构成复合宾语Hewantedthelettertobetypedatonce.Shedidn’tlikeherselftobepraisedlikethat.(4)构成复合谓语Thebooksarenotallowedtobetakenoutoftheroom.(5)作定语Areyougoingtothemeetingtobeheldintheteachers’office?(6)作状语Shewastooyoungtobeassignedsuchwork.二、不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语，或者构成复合宾语、复合谓语等，如：Itisagoodthingforhimtohavebeencriticized.(主语)Shepreferredtohavebeengivenheavierworktodo.(宾语)Hethoughtitanhonourtohavebeeninvitedtotheparty.(复合宾语)Thebookissaidtohavebeentranslatedintomanylanguages.(复合谓语)Shewasthefirstwomantohavebeenelectedtosuchapost.(定语)三、不定式的主动形式表示被动2.在“n／pron+be+adj+todo”结构中。常用的形容词有easy，difficult，hard，impossible，nice，pleasant，light，heavy，interesting，important，expensive，cheap，fit，dangerous等。3.在“too…todo;enough…to…”结构中。如：Theproblemistoodifficulttoworkout(tobeworkedout)．Thehouseisbigenoughtolivein.5.当不定式的逻辑主语在句中出现时。例如：Ihavealettertotypetoday．Doyouhaveanythingtosay?6.当不定式隐含在forsbtodo结构中时。Thisisthebestbooktoread(=forus／youtoread)．Theimportantthingtodoistolockthedoorwhenweleavethehouse．动词不定式主动语态形式的使用要比被动语态形式的使用普遍，有时（尤其在口语中）虽然意思上是被动的，也往往用主动语态形式来表示。Ihavethreemotorstorepairtoday.Thetaskisdifficulttofinishontime.1.Myambitionis_________tot