1.) + You're walking alone on this street
- You're not walking alone on this street
? Are you walking alone on this street?
2.) + They eat pizza everyday
- They don't eat pizza everyday
? Do they eat pizza everyday?
3.) + She has bought some book
- She has not bought some book
? Has she bought some book?
4.) + He looked out of the window
- He did not look out of the window
? Did he look out of the window?
5.) + We can shoot him now.
- We can not shoot him now
? Can we shoot him now?