1 I have just told you the answer.
2 I told you the answer yesterday.
3 John and Richard have just gone away.
4 She has already answered the letter.
5 She answered the letter on Tuesday.
6 John and David went away 5 minutes ago.
7 I have read this book in the summer holidays.
8 I haven't seen him for three years.
9 I can't go out because I haven't finished my work.
10 - have you had breakfast yet?
- Yes, I had it at 8 o'clock.
11 - The play has just begun .
You are a little late.
12 - Have you been here before?
- Yes, I spent my holidays here last year.
13 - Did you have a good time?
- No, it never stopped raining.