1) i have a bike
2) i am riding a bike
3) i have a doll
4) i am playing with a doll
5) i have a ball
6) i am having a lunch
7) i am having a breakfast
8) we are heaving dinner
9) we have a car
10) they have an idea
11) they are discussing the idea
12) they have a good time
13) we are having a party
14) i have a plan
15) you have a question