*Unit15Omission(省略)*不定式to的省略11.不定式to的省略1.1see/watch/hear/feelsb.dosth.(用于感官动词)Isawhimenterthebuilding.Iheardhimtalkabouthisfather.1.2let/make/havesb.dosth.(用于使役动词)Somepeopleseemtolettheirkidsdowhatevertheylike.Shemademerepeatthewordthreetimesinarow.Mymotherhadmemakeabirthdaycakeformysister.*不定式to的省略11.3prefertodo...ratherthan+doLiuHulanprefertodieratherthansurrender.Iprefertokillmyselfratherthanbetraymycountry.WeprefertogooutratherthanstayathomewatchingTV.Ratherthanbeginthestreet,hewouldprefertodieofhunger.1.4donothingbut+动词原形Wecoulddonothingbutwaitduringtherainyseason.Hecoulddonothingbutstandandwonder.Sincesheisangry,wehadbetterleaveheralone.Whynotdropthecourseifyouhaveatightschedule?*不定式to的省略1Nobodydaredenterthehauntedhouse.Healwayshelpshermotherdosomewashingatweekends.Itisalwayshisdreamtogetadecentjobandhaveafamilywithonechildortwo.省略不定式to的其他情况有:1.在hadbetter/wouldrather...(than)/wouldsooner...(than)/cannotbut/can’thelpbut/mayaswell后面的不定式；2.在why(not)等后面；3.在dare/help/need等后面；4.主语部分含有动词do时，作表语的不定式可省略to；5.如果两个不定式由and连接，第二个不定式的to可省略；6.在donothing/anything/everythingbut/except结构中。*介词in的省略22.介词in的省略2.1bebusy(in)doingOursoccerteamisbusy(in)preparingfortheAsianCup.XiaoLiuisbusy(in)cookinglunch.Ourbossisbusy(in)thinkingofthesalespromotionplaninhisoffice.2.2havetrouble/difficulty(in)doingBecauseoftheearthquakeIhavetrouble(in)connectingwithmyinternetfriendinAmerica.Theyhadgreatdifficulty(in)recruitingnewmembers.*介词in的省略22.3Theresnouse(in)doingTheresnouse(in)arguingwithsuchaselfishmanlikehim.Theresnouse(in)spendingtoomuchtimeonthescientificresearch.*连词的省略33.连词的省略3.1notonly...bu