动词不定式课件2.ppt

文档介绍：obedoingtohavedone作主语:Toobeylawiseveryone’,谓语用单数,为了平衡句子,通常用it作形式主语,构成句型:It’s+n.(adj.)+for(of)sb.+’snoteasy(foryou)!Howlongdidittakeyoutofinishthework?如果要表示不定式动作的执行者,,,good,nice,kind,foolish,careless,right,wrong,rude,impolite等词之后的不定式前,常加of短语,这是对人做某事的赞扬,责备或感激等。作宾语I’,,intend,demand,hope,wish,expect;like,start,begin,fail,help,offer,try,manage,pretend,forget,remember,promise,prepare,learn,agree,plan,determine,prefer,,miss,excuse,enjoy,escapeconsider,admit(承认),advise,appreciate=enjoy(欣赏),avoid,finish,face,practise,suggest,stop,delay(延迟),imagine,include,keep,quit(离开),resist(抵抗),risk(冒险),understand,beusedto,lookforwardto(期望),objectto,payattentionto,,介词之后一般不直接接不定式,一般都是:疑问词+’+疑问词+不定式Idon’’:tell,teach,show,advise,know,:donothingbut/,此句型中but/except前必须要有实义动词do时,but/except后的不定式to才能省略,: 有do无to,,seem,appear,get,,用作表语的不定式省略toAllyouhavetodois(to)(to)(常常表示将来的动作),