-shall
1. Shall I open the window?
2. Shall I close the door?
3. When shall we have dinner?
4. Where shall we have breakfast?
5. Shall I turn off the light?
-will
1. It will rain. (I think it will rain.)
2. She'll go to the pool party.
3. Will you go out?
4. I will have dinner. (I will eat dinner.)
5. Will you have breakfast? (Are you going to eat breakfast?)
* Always use the most appropriate verb in constructing sentences.
-(be) going to
1. I am going to Kate's birthday party.
2. I'm going to the market at 8:00.
3. It's going to rain. (The sky is dark, it's going to rain.)
3. He is going to the pajama party tonight.
4. We are going to the theater tomorrow.
5. I'm going to meet my friend on Monday.