1.定义:
① describe facts or permanent situations.
② things that happen regularly,repeatedly,or all the time.
③ demonstration,series of events,commentary.
④ a few verbs they are only used in the simple tense.( love ,like etc 感官动词)
(注:1.叫别人操作事情 eg 叫别人如何操作电脑,2. 一系列先后顺序的动作eg 做菜流程 3. 评论员对比赛的实况报道等 eg 讲解足球比赛,这些很快的动作用表达用一般现在时态,eg 传球,踢球射门等“这些动作都很快”)
2.动词变第三人称单数
3.肯定句,否定句,疑问句间转换。