定义 / 说明
我们用 be going to 表示计划、意图，以及有明显依据的预测。它常用于“说话前就已有决定”的情况。比如 I'm going to study tonight 表示这个计划早已在脑中形成。它也用于“看得见迹象”的预测，比如天上乌云很重。它强调“已准备/已有预期”，而不是临时决定。
关键规则
- 结构：am/is/are going to + base verb。
- 用于计划：I am going to call her tonight.
- 用于意图：We are going to save money.
- 用于有明显依据的预测：Look at those clouds. It is going to rain.
- going to 后主句动词用原形。
例句
- I am going to call you tonight. - 我今晚会给你打电话。
- She is going to study medicine. - 她打算学医学。
- We are going to visit my parents this weekend. - 我们这周末打算去看我父母。
- It is going to rain soon. - 很快要下雨了。
- They are going to move to a new flat. - 他们要搬去新公寓。
常见错误
- ❌ I going to call you tonight. -> ✅ I am going to call you tonight.
- ❌ She is going to studies medicine. -> ✅ She is going to study medicine.
- ❌ It going to rain. -> ✅ It is going to rain.