YOU SAID:
When I was younger, I'd like to go to the lake and swim
INTO JAPANESE
私が若かったとき、私は湖に行き、泳ぎたいです
BACK INTO ENGLISH
When I was young, I want to go to the lake and swim
INTO JAPANESE
私は若い頃、湖に行き泳ぎたいです
BACK INTO ENGLISH
I want to go swimming in the lake when I am young
INTO JAPANESE
私は若い頃湖に泳ぎに行きたい
BACK INTO ENGLISH
I want to go swimming in the lake when I am young
You should move to Japan!