Придумать предложений с must или mustn't (3 предложения) и с need иил needn't (тоже 3 предложения)

1. All students must go to school from Monday to Friday.

2. I do not have much time, you must finish this work today.

3. You must not make this mistake again, your teacher will be angry.

4. Marry does not need to buy any paint, I have a lot at home.

5. They need to clean everything before they start to do their homework.

6. We need to go to the shop, we have not got any food in the fridge.