1. I think you needn't/don't need to make pancakes today.
2. Why does the dog look so hungry? You haven't given it any meat, have you?
3. She said that Tom was at the party.
4. Neither Margaret nor her sister has cooked anything for dinner.
5. The Johnsons said that they would move to their new house the following week.
6. Ted asks if they are from Africa.
7. Nobody likes when it's raining.
8. Christopher was able (or managed) to get some very useful information from the Internet.
9. The girl's mother said that she would have to work every Saturday.
10. They didn't like the film. - Neither did I.