根据要求变换句型。
1. We want to join the chess club. (改成否定句)
                                                        
2. David can play the guitar. (先改成一般疑问句，然后作肯定回答)
                                                        
3. Wudong can play football. (就划线部分提问)
                                                        
4. want,join, swimming, they, club, to, the (组词成句)
    _________________________________________________.
5. She can play the trumpet. (改成否定句)
    _________________________________________________.

根据要求变换句型。