八年级上册英语第一单元2b知识点
八年级上册英语第一单元2b知识点
八年级上册英语第一单元主要围绕着“Meeting old friends”这个话题展开，2b主要涉及到以前时态和现在完成时态的用法。本文将详细介绍2b知识点以及相应的例句。
1. 以前的时间用"过去式"表示：
常用的过去式有：
动词原形 + ed
        play - played
        watch - watched
        visit - visited
        talk - talked
        e.g. She played soccer with her old friend yesterday.
                她昨天和她的老朋友一起踢足球了。
2. 表示 "就是发生过" （过去式）和 “从过去一直持续到现在” （现在完成时）
一些常用的不规则动词用法：
动词原形 + ed
        go - went
        see - saw
        eat - ate
        drink - drank
        buy - bought
        have - had
        do - did
        say - said
        come - came
        write - wrote
        find - found
        give - gave
        take - took
        make - made
        know - knew
        think - thought
        fly - flew
        swim - swam
        meet - met
        e.g. I went to the cinema with my old friend last weekend.
talk的过去式

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