英语be going to的用法？

be going to句型总结如下：

一、be going to句型的意义：“be going to”是“一般将来时”的一种表现形式，表示将来某个时间将要发生的动作或存在的状态，意思为“将要，打算”。注意：be going to句型中的be动词（am、is、are）随主语的变化而变化，to后面接动词原形。

二、结构：主语＋be动词＋going to＋动词原形。be动词的用法：我用am，你用are，is连着他、她、它，凡是复数都用are。例句：I am going to do my homework tonight。Are you going to go back home this week？He is going to make a birthday cake for his mom。

1、be going to 句型的否定句：否定句只需在be动词后加not。例句：He is not going to buy a book after school。

2、be going to句型的一般疑问句：be＋主语＋going to＋动词原形（即把be动词提到主语前）。例句：Are you going to come with me this Friday?

3、be going to 句型的特殊疑问句：疑问词＋be动词＋主语＋going to＋动词原形。例句：What is he going to do next weekend?