| 标题 | 零基础学英语需要记忆的语法知识点 |
| 范文 | 例： Where did your brother study before he joined the army? 过去完成时可表示截止过去某一时间动作的总或动作的结束。 例：By the end of last month. We had reviewed four books By eight o`clock, he had finished his homework. 与这个时态连用的时间状语常有： by 1985, by eight o`clock, by then, by the end of last month, by the time when, when, as soon as, before 等连词引导的时间状语从句，表示主句动作结束的时间。 现在进行时主要用于： 表示现在或现阶段正在进行的动作。 例： Listen, someone is crying. What are you doing these days? 代替一般现在时，表示经常性动作或状态，而含有某种感情色彩。 例： How are you feeling today? 你今天感觉怎样?(显得亲切) He is doing well in his lessons. 他的'功课很好。(赞扬) You are always boasting. 你老爱吹牛。(厌烦) 动词 go, come, leave, arrive 等表将要发生的动作时。 例：They are leaving for Shanghai. 与这种时态连用的时间状语常有： now, these days, recently, this week 等。 上一篇：两个重要极限公式 作用是什么 下一篇：新加坡公立大学有哪些 |
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