一、一般现在时:
概念:经常、反复发生的动作或行为及现在的某种状况。时间状语:always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc.基本结构:①be动词;②行为动
初中英语8种时态归纳与相互转换.docx