YOU SAID:
I am riding a Black horse after eating my dinner
INTO JAPANESE
夕食を食べた後、黒い馬に乗っています
BACK INTO ENGLISH
Riding a black horse after having dinner
INTO JAPANESE
夕食後、黒い馬に乗る
BACK INTO ENGLISH
Ride a black horse after dinner
INTO JAPANESE
夕食後に黒い馬に乗る
BACK INTO ENGLISH
Ride a black horse after dinner
You've done this before, haven't you.