YOU SAID:

i never said that i slept with her

INTO JAPANESE

私は彼女と一緒に寝たとは決して言わなかった

BACK INTO ENGLISH

I never said I slept with her.

INTO JAPANESE

私は彼女と一緒に寝たとは決して言わなかった。

BACK INTO ENGLISH

I never said I slept with her.