1)
1. Was he in London?
2. Who was in London?
3. Where was he?
4. Was he in London or in Paris?
5. He was in London, wasn't he?
2)
1. Have we got a house in the country?
2. Who have got a house in the country?
3. What have we got in the country?
4. Where have we got a house?
5. Have we got a house or a castle in the country?
6. We have got a house in the country, haven't we ?
3)
1. Can you speak English?
2. What language can you speak?
3. Can you speak English or German?
4. Who can speak English?
5. What can you do?
6. You can speak English, cannot you?