1A  She gave the John money today. – 1B John got money today.

Because she gave John money today, the statement that John received money today would have to be true.

2A My car got a wash today. – 2B I have a car

The presupposition trigger is “My car” which shows that if i got my car washed, it implies I have a car.

3A Sally ended the phone call – 3B Sally was on a phone call.

The trigger is “ended” which shows that she was on a phone call to begin with which she could eventually end.