按要求完成句子。
1. She can help you. (改为否定句)
She _______ _______ you.
2. He would like to play basketball with us. (改为一般疑问句)
_______ he _______to play basketball with us?
3. He has to visit his uncle. (改为否定句)
He _______ _______to visit his uncle.
4. They can play the piano. (就画线部分提问)
_______ can they _______?
5. They can't go to the party. (改为否定祈使句)
________ ________ ________ the party.
6. Can the children swim in the river? (作否定回答)
_______ _______ _______.