初中阶段要掌握的八种时态一、一般现在时：常见时间状语：always, usually, often, sometimes, every day, on Sundays, at weekends, once a week, twice a month, etc.二、一般过去时：基本结构：动词的过去式常见时间状语：ago, yesterday, the day before yesterday, last week (year, night, month), in 1986, just now, at the age of 10, at that time, once upon a time, etc.三、一般将来时：基本结构：am/is/are/going to + do;will/shall + do.常见时间状语：tomorrow, next day (week, month, year), soon, the day after tomorrow, in+时间段(格外注意)，etc.四、现在进行时：
