分词是非谓语动词的一种,它有现在分词和过去分词两种形式,在教学中我们应首先掌握分词的基本用法,即分词起形容词和副词的作用,在句子中担任定语、表语、补语和状语,然后再从语态和时态上注意现在分词和过去分词的区别,即现在分词表示主动的或正在进行的动作,过去分词表示被动的或已经完成的动作。 Segmentation is a kind of non-predicate verb. It has two forms: present participle and past participle. In teaching, we should first master the basic usage of word segmentation, that is, the function of adjective and adverb in the sentence, and serve as attributive, predicative, and complement in the sentence. And adverbial, and then pay attention to the difference between the present participle and the past participle from the voice and tense, that is, the present participle expresses the active or ongoing action, the past participle indicates the passive or completed action.