一般现在时一、 定义与讲解1、 一般现在时:表示经常性的事情,经常性的动作或一直存在事实和状态。比如: he is a boy. (表示一直存在的事实) He goes go work every day (表示经常性的事情)下面的句子都是一般现在时,请你参考:(1) I like swimming. (2)He wants to go to sleep. (3) They usually go to school by bike.(4)I take the medicine three times a day.(5)She helps her mother once a week.(6)Marys father is a policeman.(7)There are 50 students in my class.2、 一般现在时的用法及变形. 一般现在时要注意以下几点:(1) 有am,is,are及情态动词的句型变疑问句调换am,is,are及情态动词和主语的位置,否定