初中英语基本时态总结、 一般现在时1、概念:1)表示经常性或习惯性的动作,常与表示频度的时间状语连用。时间状语:always, usually, often, sometimes, seldom, never, every day, twice a week, on Sunday, etc.(提问用How often)例:I leave home for school at 7 every morning. Tom gets up at 6:00 every morning.2) 客观真理,客观存在,科学事实。例:The earth moves around the sun. 地球绕太阳转动。Shanghai lies in the east of China. 上海位于中国东部。3) 格言或警句。例:Pride goes before a fall. 骄者必败。注意:宾语从句中,即使主句是过去时,从句谓语是客观真理也要用一般现在时。例:Columbus proved that the earth is round. 哥伦布证实了