一、一般现在时: 表示现在经常发生的或习惯性的动作，及客观现实和普遍真理。结构: 肯定句主语+be (am, is, are + 其他eg: I am Chinese. 否定句主语+be not +其他
eg: I am not a boy. eg: Are you a girl? 疑问句Be+主语+其他或: 肯定句主语+动原+其他(三单作主语动词要变形eg: I (He often get (gets up early. 否定句主语+don't+动原+其他(三单作主语doesn't eg: I (She don’t(doesn’t like him. 疑问句DO+主语+动原+其他(三单作主语does eg: Do you like playing baseball? Does she like playing football ? The sun rises in the eat . 关键词: sometimes有时，often经常, usually通常，always总是，everyday每天，on Sunday afternoon在周日下午, five days a week 一周五天，three times a month一个月三次…
二、现在进行时: 表示现在此时此刻正在发生的动作结构: 肯定句主语+be+动词的现在分词(ing+其他 eg: I am reading now. don't变do变否定句主语+be not+动词的现在分词(ing+其他eg: I am not working. 疑问句Be +主语+动词的现在分词+其他
eg: Are you sleeping? 关键词：now现在, at the moment此刻，look, listen, keep quiet等提示语。
三、一般将来时: 表示将来某个时间，将要发生的动作。
结构: 肯定句主语+will+动词原型+其他eg: I will call you later. 否定句主语+will not +动词原型+其他eg: I will not go to the park. 仅供学习与交流，如有侵权请联系网站删除谢谢2
