1.
We have been here since four o’clock.
2.
I haven’t bought any clothes for ages.
3.
Have you ever spoken English with Australian?
4.
Paul has just called. Can you ring him back?
5.
The train has already left. What are you going to do?
6.
Have you read the book I gave you? Not yet.
7.
I’m sorry. I have never realized that you loved me.