谓语动词如人,是句子的灵魂和主体。动词用四种基本形式表达动作存在的四种方式,即一般式:经常发生;进行式:正在发生;完成式:已有结果;完成进行式:一直不间断进行并有部分或全部结果。时态如衣。谓语动词即使是同种存在方式都因为时间不同而呈现出不同的形态。英语中时间概念主要 Predicate verbs such as people are the soul and subject of a sentence. Verbs use four basic forms to express the four ways in which an action exists, namely, the general form: often occurs; the progress form: is occurring; the completion form: existing results; and the completion of the process: it is continuously performed with some or all of the results. The tense is clothing. Predicate verbs, even if they are of the same species, have different forms because of different time. The main concept of time in English