一般现在时( Simple Present Tense)定义:表示通常性、规律性、习惯性、真理性的状态或者动作的一种时间状态。一、出现以下情况是用一般现在时:1)经常性、习惯性的动作或存在的状态。(当表示习惯性动作时,常与频度副词连用,常见的频度副词有 always, often, usually, sometimes, hardly ever, never等。)e.g. I go to school on foot. I often do my homework at 7:00. He usually goes to the park on Sunday morning. He is very busy now. 2)表示主语的特征、性格、能力、爱好等。e.g. He can swim. I work hard. I like watching TV.3)表示客观真理 e.g. There are seven days in a week. The moon moves round the earth.