run (−)
You mustn't run in the library.
eat and drink (−)
You mustn't eat and dring in the library.
ask the librarian questions (+)
You can ask the librarian questions in the library.
drop litter (−)
You mustn't drop litter in the library.
listen to loud music (−)
Yoy mustn't listen to loud music in the library.
speak quietly (+)
You can speak quietly in the library.
bring pets inside (−)
You mustn't bring pets inside the library.
talk on the mobile phone (−)
You mustn't talk on the mobile phone in the library.
use a computer (+)
You can use a computer in the library.
send text messages (+)
You can send text messages in the library.
1.? Is there a picture on the wall?
1.- There is not a picture on the wall.
2.? Do you study at the Institute of Culture?
2.- I don't study at the Institute of Culture.
3.? Are these women teachers?
3.- These women aren't teachers.
4.? Are there some oranges on the plate?
4.- There aren't some oranges on the plate.
5.? Does the student attend lectures and seminars?
5.- The student doesn't attend lectures and seminars.
6.? Did Ann finish school 2 years ago?
6.- Ann didn't finish school 2 years ago.
7.? Has she many distant relatives?
7.- She hasn't many distant relatives.
