1. Sally is still here. She hasn't gone out.
2. I can't find my bag, have you seen it anywhere?
3. I can't log on to the website. I have forgotten my password.
4. I sent Joe an email this morning, but he hasn't replied yet.
5. Is the meeting still going on, or has it finished?
6. The weather has changed. It's colder now.
7. You haven't signed the form. Could you sign it now, please?
8. Are your friends still here, or have they gone home?
9. Paul doesn't know what he's going to do. He hasn't decided yet.
10. "Do you know where Julia is?" "Yes, I've just seen her.
11. "When is David going away? He has gone already.
12. A: Has your course started yet?
B: Not yet. It starts next week.