2. Practice.
Now practise saying B's answers.
| 1. | A: It's a lovely day. | 
| B: I'm sorry, it's not a lovely day. | |
| 2. | A: Somebody has been using my computer. | 
| B: I'm sorry. Nobody has been using your computer. | |
| 3. | A: He has read all of these books. | 
| B: I'm sorry. He has read none of these books. | |
| 4. | A: There is someone on the roof. | 
| B: I'm sorry. There is no one on the roof. | |
| 5. | A: There is some milk in the fridge. | 
| B: I'm sorry. There is no milk in the fridge. | 
3. Practice.
Contradict the statements you hear.
For example:
You hear: We have seen this film before.
You say: I'm sorry. We have not seen this film before.
1. There is something exciting about London.
				2. We could stay a week there.
				3. There are some cheap hotels in London.
				4. Someone told us they found a cheap one.
				5. All of the hotels in Earl's Court are cheap.
				6. There is somewhere nice in Kensington.
		
4. Listen again.
Now listen to the complete dialogue.
| 1. | A: There is something exciting about London. | 
| B: I'm sorry. There is nothing exciting about London. | |
| 2. | A: We could stay a week there. | 
| B: I'm sorry. We could not stay a week there. | |
| 3. | A: There are some cheap hotels in London. | 
| B: I'm sorry. There are no cheap hotels in London. | |
| 4. | A: Someone told us they found a cheap one. | 
| B: I'm sorry. No one told us they found a cheap one. | |
| 5. | A: All of the hotels in Earl's Court are cheap. | 
| B: I'm sorry. None of the hotels in Earl's Court are cheap. | |
| 6. | A: There is somewhere nice in Kensington. | 
| B: I'm sorry. There is nowhere nice in Kensington. |