"To be going to"-переводится как "собираться что-либо сделать". Следовательно:
1.I am going to buy a new dress.
2.Mary is going to become a singer.
3.John is going to feed his dog.
4.My Mum is going to make a cake.
5.We are going to play football.
6.Tom and Kate are going to watch a film called "Charly and the Chocolate Factory".
7.My Dad is going to eat a pizza.
8.Jack is going to drink some milk.
9.A cat is going to catch a bird.
10.A dog is going to jump on my bed.