YOU SAID:
i want to do scuba diving
INTO JAPANESE
スキューバ ダイビングをしたいです。
BACK INTO ENGLISH
I'd like to scuba dive.
INTO JAPANESE
私はスキューバ ダイビングと思います。
BACK INTO ENGLISH
I scuba dive.
INTO JAPANESE
私のスキューバ ダイビング。
BACK INTO ENGLISH
I scuba dive.
That didn't even make that much sense in English.