1
1. This is the first time I've been
2. While...were having...,...were having...
3.By...,we'd had...
2
1.Do you know if...?
2.Can you tell me when...?
3. Have you heard that...?
3
1. This is called...
2. ...has been cleaned
3. I was invired...
4. ...will be given
4
1. Was she able to /Could she ...?
2. Do you have to ...?
3. Can /May I be ...?
4. You had better ...
5
1. ...says that...
2. He asks ...how...
3. He asks... if ...