This is the -ed form of the verb. For regular verbs, take the base verb and add -ed at the end.
Turn -> Turned He had turned off the radio before starting the car.
Bang -> Banged They had banged on the door loudly for hours.
Easy, right?! Be careful, because there are spelling changes in certain cases.
Words ending in -e
Just add -d to the base verb
Grease -> Greased He had already greased the frying pan, so he started cooking the eggs.
Bike -> Biked He would have biked over to her house, but it was raining.
Some Words ending in -p, -b, -n, -m, -g
Double the consonant and add -ed
Stop -> Stopped He told her that he had stopped smoking.
Grab -> Grabbed They would have grabbed it, but it was too far away.
Beg -> Begged She had begged and begged, but her mother still refused to buy the candy.
Some verbs can be BOTH regular and irregular verbs. The meaning of the verb changes depending on which form you use!
Regular Verb: This means to kill or die from a rope tied around your neck.
Hang -> Hanged The murderer was found guilty and was hanged.
Irregular Verb: This means to put something up on a wall or other surface so it stays there with the lower part of it free.
Hang -> Hung The shirts had been hung out to dry.