YOU SAID:
my dad went to the store seven years ago to get lottery tickets and he hasn't returned yet.
INTO JAPANESE
私の父は7年前に宝くじを入手するために店に行きましたが、まだ戻っていません。
BACK INTO ENGLISH
My father went to the store to get a lottery seven years ago, but has not yet returned.
INTO JAPANESE
私の父は7年前に宝くじを買いに店に行きましたが、まだ戻っていません。
BACK INTO ENGLISH
My father went to the store to buy a lottery seven years ago, but has not yet returned.
INTO JAPANESE
父は7年前に宝くじを買いに店に行きましたが、まだ戻っていません。
BACK INTO ENGLISH
My father went to the store to buy a lottery seven years ago, but has not yet returned.
You've done this before, haven't you.