1
1 I've just been
2  I haven't been
3 She's gone

2
1 Have you ever been to San Francisco?
    No I've never been to San Francisco
    but I've been to LA

2 Have you ever played basketball?
    No I've never played basketball
    But I've played volleyball

3 Have you ever seen (read, played) Hamlet?
    No I've never seen (read, played) Hamlet 
    But I've seen (read, played)  Macbeth

3
1 This is the second time I've lost my bank card.
2  This is the third time the washing machine has broken down.
3  This is the first time I've been to (in) England.
4  This is the second time I've stayed in this hotel.
4  This is about the fifth time I've missed the bus.

4
1... but I haven't seen her today.
2 ... but we haven't been there this weekend.
3 ... but we haven't had one this term.
4 ... but no one has rung this evening.