1. 一般现在时
(1)表示经常性、习惯性的动作;
eg:I get up at 7 o' clock in the morning.
I leave school for home at 6 every evening.
(2)客观真理,客观存在,科学事实;
eg:The teacher told us: the earth moves around the sun.
Shanghai lies in the east of China. 编辑推荐:◇ 2013年12月英语六级基础语法解析汇总