用be on holiday造句

问题描述:

用be on holiday造句
分别造出五个时态的句子:一般现在时,一般过去时,一般将来时,现在进行时,现在完成时.

I'm on holiday.
I was on holiday last week.
I'm going to be on holiday next month.
I'm being on holiday now.
I have already been on holiday before.