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, which, who, whom, whose)或疑問(wèn)副詞(where, when, how, why),以及連詞 whether構(gòu)成特殊的不定式短語(yǔ),其作用相當(dāng)于一個(gè)從句,這樣的不定式短語(yǔ)常在某些動(dòng)詞后面作賓語(yǔ)。 常見(jiàn)的可以接這種不定式短語(yǔ)的動(dòng)詞有: know, see, decide, tell,ask,consider,discover,explain,findout,forget,guess,hear,imagine,inquire,learn,observe, perceive,remember,think,understand,wonder等。 5)不定式作狀語(yǔ) a)不定式作狀語(yǔ)表示目的?;蛴糜?so as和in order之后,來(lái)強(qiáng)調(diào)這種目的。 To learn a foreign language well, you must make painstaking efforts. b)不定式表示結(jié)果,特別是在so...as to, such...as to, only to...以及 too...to等結(jié)構(gòu)中的不定式表示結(jié)果。 I rushed to the station as fast as I could, only to find the train had already gone. c)不定式常用來(lái)修飾形容詞,構(gòu)成下列詞組:be able to, be afraid to, be apt to, be bound to, be certain to, be easy to, be eager to, be fit to, be likely to, be ready to, be sure to, be unable to, be unwilling to, be willing to等。 It is likely to