YOU SAID:

I did the deed last night

INTO JAPANESE

私は昨夜証書をしました

BACK INTO ENGLISH

I gave a certificate last night

INTO JAPANESE

昨夜証明書をあげました

BACK INTO ENGLISH

I gave you a certificate last night

INTO JAPANESE

昨夜あなたに証明書をあげました

BACK INTO ENGLISH

I gave you a certificate last night