The walls are white. (The walls were not clean.)

We ... the walls.

a) have been painting

b) have painted

7. I have (lost/been loosing) my note-book. Have you (seen/been seeing) it anywhere? 8. Someone has (eaten/been eating) my sweets. They are nearly all gone. 9. I have (waited/been waiting) for you for ages! Where have you been? 10.

A. Read the sentences and say how can form negations in present perfect I have been to London We have been to Washington You have been to Boston They have been to Chicago She has been to Australia He has been to the USA I have not been to Moscow We

1. My car (to be/steal) by a thief and it was horrible! a. was stolen b. steal c. stole d. were stolen 2. Mistakes (make) in this project. a. be made b. has been made c. have been made 3. I hope that the walls (paint) by noon. a. had been painted b.

Choose the right tense form. Nina has been learning/has learned English for 2 years. The birds have already flown/have been flying to the South. They have known / have been knowing him for many years.

Choose the right verb form to complete the sentence 1. If the Hogs (did not travel/had not travelled) in Africa about 5 years ago, their children (would not know/would not have known) so much about African fauna. 2.