YOU SAID:

I don't understand why you won't just pick up the shopping cart after going to the store

INTO JAPANESE

なぜあなたが店に行った後に買い物カゴを拾わないのか分かりません

BACK INTO ENGLISH

I don't know why you don't pick up your shopping cart after you go to the store.

INTO JAPANESE

なぜお店に行った後に買い物カゴを拾わないのか分かりません。

BACK INTO ENGLISH

I don't know why I don't pick up shopping carts after I go to the store.

INTO JAPANESE

なぜ買い物カゴを買い物に行かないのか分からない。

BACK INTO ENGLISH

I don't know why I don't go shopping for shopping carts.

INTO JAPANESE

なぜ買い物カゴの買い物に行かないのか分かりません。

BACK INTO ENGLISH

I don't know why I don't go shopping for shopping carts.