关于"will"构成的一般将来时，以下是三个典型例句及句式变化：

一、基本结构

will + 动词原形

肯定句：They will go to Beijing next week.

否定句：They will not go to Beijing next week.

一般疑问句：Will they go to Beijing next week？（肯定回答：Yes, they will. 否定回答：No, they won't.）

二、扩展用法

计划/安排

- 例句：

We are to discuss the report next Saturday.

- 变化：be going to + 动词原形（如：We are going to discuss...）

意图/预测

- 例句：

There will be less pollution next year.

- 变化：There be + 动词原形（如：There will be...）

条件/时间状语

- 例句：

If it rains tomorrow, we will cancel the trip.

- 变化：will + 动词原形（如：If...，will...）

三、其他常见结构

be + to do（正式安排）：The play is to be produced next month.

be about to do（即将发生）：He is about to leave the room.

现在进行时表示将来：He is leaving for Shanghai this evening.

总结：一般将来时可通过"will + 动词原形"表达主观意愿，通过"be going to + 动词原形"表达计划或预测，结合时间状语和条件状语使用场景更丰富。