YOU SAID:

she had the voice of last year's cough

INTO JAPANESE

彼女は去年の咳の声を持っていた

BACK INTO ENGLISH

She had a coughing voice last year.

INTO JAPANESE

彼女は去年咳の声を出した。

BACK INTO ENGLISH

She coughed last year.

INTO JAPANESE

彼女は去年咳をした。

BACK INTO ENGLISH

She coughed last year.