YOU SAID:

I am on vacation for two weeks

INTO JAPANESE

私は２週間休暇を取っている

BACK INTO ENGLISH

I've been on vacation for two weeks.

INTO JAPANESE

私は２週間休暇を取っている。

BACK INTO ENGLISH

I have been on vacation for two weeks.

INTO JAPANESE

私は２週間休暇を取っている。

BACK INTO ENGLISH

I have been on vacation for two weeks.