精选优质文档-倾情为你奉上英语语法八大时态复习讲义一般现在时1. 一般现在时态结构肯定句式: 主语+动词原形/动词的第三人称单数+其他否定句式: 主语+(助动词) dont/doesnt +动词原形+其他一般疑问句式: Do/Does+主语+动词原形+其他简略回答: (肯)Yes,主语+do/does (否)No,主语+do/does not 缩写形式: dont = do not doesnt = does not 例句:He often goes swimming in summer. I usually leave home for school at 7 every morning.2. 一般现在时的用法1)表示经常的或习惯性的动作,常与表示频度的副词连用。常用的频度副词有: always、often、 usually、seldom、never、sometimes, every week (day, year, month), once a week, on Su