1) I'm afraid I have forgotten my book at home.
2) Has the secretary come yet?
3) I have learnt the rhyme. Could you listen to me?
4) Have you ever been to Italy?
5) They have already informed me about the accident.
6) He is the most handsome man I have ever known.
7) Kevin has already left for Manchester.
8) He hasn't received any letters from her this week.
9) I haven't heard from him since he left Paris.
10) I haven't seen Tom for ages.
11) Have you had a holiday this year?
12) We have seen some good films recently.
13) They have waited for you for half an hour.
14) Mom has had a headache since she came from the theatre.
15) Alan has worked in the bank for a year.
16) Granny has been ill for a fortnight.
17) Have you ever ridden a horse?
18) Sue hasn't taken a lot of drugs since he joined the health club.