一、一般现在时态(do/does式):
(一)基本用法:1、表示现在经常性或习惯性的动作及情况或状态,常与always, usually, often, sometimes, at times, every day, on Sundays, now and then, occasionally, seldom等连用。
E.g. He likes living in the country.
2、表示客观真理、科学事实 、格言或警句和习惯用语中以及不受时间限制的客观存在的事实 。
E.g. (1)The earth runs around the sun. (2) Pride goes before a fall.
【注】此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时