小学英语：一般现在时 知识点总结及训练
用 法：
1.现阶段经常性习惯性动作 2.目前的状况 3.客观真理 常用时间状语： sometimes, often, every day, usually, always 等
构 成：1.动词用原形 I like it.
2.当主语是第三人称单数时，动词要加-s(-es) She likes it.
3.be 动词用am，is, are I am a teacher.
He is a boy.
They are girls.
