3
1 he has just sent a letter to his friend.
2 we have already watered the flowers in the garden.
3 I have never eaten oysters.
4 they have known each other for years.
5 Sheilla has called me twice.
6 the taxi has just arrived.
7 you have just destroyed all my plans.
8 Max has never ridden a motorbike.
9 the Professior has given five lectures this week.
10 the seminar has already started.
11 we have lived in this hotel for three days.
12 the baby has just fallen asleep.
13 The Connors have already moved into a new house .
14 I have reminded Tom about the meeting three times today.
15 Andrew has been to Manchester three times this year.
4
1 Monica has just returned from the trip to Switzerland.
2 they have repaired five cars this week.
3 we have never ridden a camel.
4 Alice has typed five letters so far.
5 I have already arranged the time of the meeting.
6 We have just made all the necessary preparation.
7 this surgeon has operated on four patients for appendicits today.
8 Tom has painted half of the the fence so far.
9 you have never driven a car.
10 I have received only four letters from you this year.