1.I can sing very well.
2. He can swim.
3. We can wait you.
4. We can walk in the park alone.
5. You can eat this cake.
6. I can do my homework after the party.
7. It can clean your house.
8. She can make a picture.
9. He can make a photo of us.
10. I can call your mom.
1. I can't do my homework, because l'm so tired.
2. We can't get up early in the morning.
3. He can't go to the cinema with us.
4. You can't be calm.
5. My brother can't walk in the park alone.
6. Parrots can't eat chocolate.
7. Kate can't walk with us, she must do her homework.
8. Teacher can't give you 5.
9. We can't decorate Christmas tree.
10. You can't believe me!