Придумать 5 предложений с must и 5 с mustn,t

1. He must stop his car near the bus station. He mustnt stop his car near the bus station.

2. They must learn all the poems by heart. They mustnt learn all the poems by heart.

3. She must meet us at the railway station. She mustnt meet us at the railway station.

4. I must take the letters from the post office. I mustnt take the letters from the post office.

5. We must overcome all the difficulties. We mustnt overcome all the difficulties.