一、非谓语动词的概念非谓语动词是指在句中不用作句子的谓语,而是担任其它语法功能的动词,它有三种形式:不定式、动名词和分词。分词又分为现在分词和过去分词。二、非谓语动词的形式不定式有五种形式:动名词和现在分词的形式一样,有四种形式:过去分词只有一种形式:done三、非 1. The concept of non-predicate verbs Non-predicate verbs are verbs that are not used as sentences in sentences, but serve as verbs for other grammatical functions. It has three forms: infinitive, gerund, and participle. The word segmentation is further divided into the present participle and the past participle. Second, there are five forms of formal infinitives of non-predicate verbs: gerunds, like present participles, have four forms: past participles have only one form: done three, non-