Question

I will have some private things to do.

Answer 1

首先,“我有些事情要做,毕竟还没有做,肯定是将来时”.

其次,个人以为,“I have some privite things to do”也不能算错.

最后,英语总是有个最佳选项之说,两者比较,加上will会更符合英语语法习惯.