YOU SAID:

I can't speak German but I will speak it if you like.

INTO JAPANESE

私はドイツ語を話せませんが、よろしければ話させていただきます。

BACK INTO ENGLISH

I don't speak German, but I'll do it if you like.

INTO JAPANESE

私はドイツ語を話せませんが、よろしければドイツ語を話します。

BACK INTO ENGLISH

I don't speak German, but I do speak German if you like.

INTO JAPANESE

私はドイツ語は話せませんが、よろしければドイツ語を話せます。

BACK INTO ENGLISH

I don't speak German, but I can speak German if you like.

INTO JAPANESE

私はドイツ語は話せませんが、よろしければドイツ語を話せます。

BACK INTO ENGLISH

I don't speak German, but I can speak German if you like.