非谓语动词非谓语动词具有双重性质:1)动词性质have breakfast fastHaving breakfast fast is bad for health.12)非动词性质,即名词及形容词性质To see is to believe.The girl standing there is my sister.非谓语动词的类型1)不定式 infinitive 具有名词及形容词性22)动名词 gerund 具有名词词性3)现在分词 present participle具有形容词词性4)过去分词 past participle具有形容词词性具有名词词性的非谓语动词,即不定式,动名词,可作句子主语,宾语,表语等3两者作主语时的差异1)不定式强调结果,动名词强调过程To see is to believe.Seeing is believing.2)不定式侧重具体某次动作,动名词指抽象多次动作4To smoke so much is not good for you.Smoking is not good for our health.3)在含有no,-less 等否定词的句子中,一般都用
