we need to protect animals中to protect做什么语
toprotect为动词不定式作宾语不定式作宾语有两种:一种是及物动词后直接跟带to的不定式;另一种是"动词疑问词带to的不定式"(一)动词带to的不定式结构只能跟动词不定式的动词,常见的有:afford,agree,aim,appear,arrange,ask,believe,care,claim,decide,decline(拒绝),demand,desire,determine,endeavor,expect,fail,hesitate,hope,intend,learn,long,manage,mean(想要),offer(表示愿意做...),pretend,promise,refuse,seek(试图),swear,undertake,wish(想要)等。(二)动词疑问代(副)词不定式这类动词常见的有:advise,decide,discuss,findout,forget,inquire,know,learn,regard,remember,see,settle,teach,tell,think(=consider),understand,wonder等。这些疑问代(副)词有what,when,where,which,how,whether等,但不包括why,(三)有时,不定式跟作主语时一样,可由it来代替,而把不定式放到后面去Hemakesitaruletotakeawalkbeforebreakfast.Ithinkitinterestingtoplayfootballwhileitissnowinghard.Wefinditdifficulttogeteverythingreadybeforethetimeyourequire.Shecosidersitimportanttomakefriendswiththem.Idon'tthinkitnecessarytoarguewiththemonthisproblem.(四)有时THERE和TOBE连用表示"有"或"存在(某情况)"等Itisimpossiblefortheretobeanymore.Wouldyouliketheretobeameetingtodiscusstheproblem?Iexpecttheretobenoargumentaboutthis?有时在个别的介词后可用"疑问词不定式结构"作其宾语Hehashisowndecisionofhowtodoit.