YOU SAID:

I am going to eat some salty potato chips this evening

INTO JAPANESE

私はこの夜いくつかの塩味のポテトチップスを食べるつもり

BACK INTO ENGLISH

I'm going to eat some salty potato chips you this night

INTO JAPANESE

私はいくつかを食べるつもり塩味のポテトチップをこの夜

BACK INTO ENGLISH

I was going to eat some salty potato chips for this evening

INTO JAPANESE

私はこの夜のためいくつかの塩味ポテトチップスを食べるつもりだった

BACK INTO ENGLISH

I was going to eat some salty potato chips for this evening