YOU SAID:

Wow, I thought this would have gone on for longer.

INTO JAPANESE

うわー、私はこれが長く続くだろうと思った。

BACK INTO ENGLISH

Wow, I thought this would last long.

INTO JAPANESE

うわー、私はこれが長続きすると思いました。

BACK INTO ENGLISH

Wow, I thought this would last long.