YOU SAID:

I am going to go to the store and get some whiteboards

INTO JAPANESE

店に行ってホワイトボードをもらうつもりです。

BACK INTO ENGLISH

I plan to go to the store and get a whiteboard.

INTO JAPANESE

店に行ってホワイトボードをもらう予定です。

BACK INTO ENGLISH

I plan to go to the store and get a whiteboard.