一般将来时的肯定句、否定句和一般疑问句的例句如下：

肯定句

I will travel to Japan next year.

We will visit you tomorrow.

He will get married.

否定句

She won't attend the meeting.

We will not go to school on Sunday.

The cat won't have a master.

一般疑问句

Will you join us for dinner？

Shall we go shopping？

Are you going to buy any books or pencils this weekend？

这些例句展示了如何使用一般将来时来描述将来某个时间将要发生的动作或存在的状态。希望这些例句对你有所帮助。