YOU SAID:

I think I'm going to go to the store and pick up some spam

INTO JAPANESE

私は店に行っていくつかのスパムを拾うつもりだと思う

BACK INTO ENGLISH

I think I will go to the store and pick up some spam

INTO JAPANESE

私は店に行っていくつかのスパムを拾うだろうと思う

BACK INTO ENGLISH

I think I will go to the store and pick up some spam