YOU SAID:

I studied french for five years

INTO JAPANESE

私は5年間フランスを勉強した

BACK INTO ENGLISH

I studied France for 5 years.

INTO JAPANESE

私は5年間フランスを勉強しました。

BACK INTO ENGLISH

I studied France for five years.

INTO JAPANESE

英語を５年習いました。

BACK INTO ENGLISH

I've studied English for five years.

INTO JAPANESE

英語を５年習いました。

BACK INTO ENGLISH

I've studied English for five years.