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1、不帶to的動詞不定式的十八種情況動詞不定式通常帶有符號to，叫做帶to的動詞不定式(infinitivewith"to")，動詞不定式有時不帶符號to，叫做不帶to的動詞不定式(infinitivewithout"to") 不帶to的動詞不定式通常有下面十八種情況一、與助動詞do連用構(gòu)成謂語動詞的否定、疑問和強調(diào)形式。(1)hedoesnotworkinthefactory. (2)Doessheworkhere？(3)Ididnotseeheryesterday.
2、 (4)Didtheytakeyouhome?(5)Hedoeslooktired. (6)Theydidcomeyesterday.二、與情態(tài)動詞連用構(gòu)成復(fù)合謂語(1)IcanspeakEnglish. (2)MayIcomein?(3)Dareheswimacrosstheriver? (4)Wemustwork,andaboveallwemustbelieveinourselves.
3、(5)Couldyoudosomethingforme? (6)Youshallgoatonce.(7)Hemightbeworkingintheofficenow. (8)Idon'tthinkyouneedhavecomeyesterday.(9)Theyshouldbeherebynow.(10)Ifyouwillgointothefieldsandturnoverafewbigstones,youaresuretouncoveracityofant"peo
4、ple". 但與情態(tài)動詞ought(to)連用時通常帶to，和used(to)連用時必須帶to三、在表示感覺的動詞如：see,look.at,watch,hear,listento,feel,notice,observe,perceive(覺察，看見),behold（書面用語“見到”）等后用作賓語補足語的動詞不定。(1)Isawhercrossthestreet. (2)Helookedatthechildrenwalkupthehill.(3)Iwatchedtheboycro
5、sstheroad. (4)Iheardherplaythepiano.(5)Helistendtoustalk. (6)Ifeltthefloormove.(7)Ididn’tnoticeyouenter. (8)Heobservedsomeoneopenthedoor.(9)Ididnotperceiveanyonecomein. (10)Hebeheldhergoout.但除
6、notice,watch不用被動語態(tài)外，上述動詞變成被動語態(tài)時，其后的動詞不定式就不省to(1)Shewasseentocrossstreet. (2)Shewasheardtoplaythepiano.四、使役動詞make,let,have,bid,leave(=let)后作賓語補足語的動詞不定式不帶to(1)Youmaytakeahorsetothewater,butyoucan'tmakehimdrink.(2)I'lllethimdoit.
7、 (3)Don'tforgettohavethemcome.(4)Bidhimgohome. (5)Leavehimgo.動詞have通常不用于被動語態(tài)，make和bid可用于被動語態(tài)，let偶爾也可用于被動態(tài)，用作主語補足語的動詞不定式通常帶to，但在make和let后有時可以不帶to(1)Johnwasmadetowashthetruckforaweekasapunishment.(2)Hewasmade(to)laugh.(3)Thechildwas
8、let(to)doit.五、never與know連用其后作賓語補足語的動詞不定式可省to，其時態(tài)多為完成時態(tài)。(1)Ineverknewhimactwithoutthinking. (2)I'veneverknownitsnowinJulybefore.(3)Ihadneverknownheraskforp
