初中八种时态详解(5 页)Good is good, but better carries it.精益求精，善益求善。 初中八种时态精讲 （一）一般现在时的语法讲解: 1). 当谓语动词是 be 动词时，根据主语的人称和数，分别用 am,is,are. 肯定句：主+be 动词+其它. e.g. I am in Nanyang. 否定句：主+be 动词+not+其它. e.g. He is not a teacher. 一般疑问句：-Be 动词+主语+其它？ e.g. -Is he a teacher? -Yes, 主+be. / No, 主+be not. -Yes, he is. /No, he isn't. 特别疑问句：特别疑问词+be 动词+主语+其它？ e.g. Where is he from? What is your name? 2).当谓语动词是实义动词时，分以下两种情况： A. 当主语不是单三时(I, you, they, we, A and B, 复数)： 肯定句：主语+实义动词原形+其它. e.g. You like English. 否定句：主语+don't+实义动词原形+其它. e.g. You don't like English. 一般疑问句：-Do +主语+动原形+其它？ e.g. -Do you like English? -Yes, 主语+do. /No,主语+don't. -Yes, I do./No, I don't. 特别疑问句：特别疑问词+do+主语+动原形+其它？ e.g. Where do you live? What do they want to do? B．当主语是单三时（he, she, it,某一个人，单数）： 肯定句：主语+实义动词单三形式+其它. e.g. He likes English. 否定句：主语+doesn't+动词原形+其它. e.g. He doesn't like English. 一般疑问句：-Does +主语+动原+其它 -Yes, 主语+does. /No,主语+doesn't. e.g. -Does he like English? -Yes, he does./No, he doesn't. 特别疑问句：特别疑问词+does+主语+动原形+其它？ e.g. Where does he live? What does she want to do? (3)常见的时间状语 always, usually, often, sometimes,never,seldom( 频度副词） every week (day, year, month…), once a week, twice， on Sundays( 二 ）一般过去式 1、概念：表示过去发生的动作、事件、情况，而现在已结束，也可以表示过去时间里常常性或习惯性的动作，或主语过去的性格和能力。2、常见的时间状语① yesterday ,yesterday morning/afternoon/evening② just now 刚才 in the past 过去 the day before yesterday 前天③ ago 短语：a moment ago, an hour ago, three weeks ago, two months...
