как определить что ставить were или have been? "we (were, have been) in London 5 years ago

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.

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

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.

2. True/False. 1) 110 years ago the Americans always celebrated Mother's and Father's Days. 2) 110 years ago the Americans often died at the age of 50. 3) 110 years ago the Americans didn't usually ride fast. 4) The American flag always had 50 start.

Choose the correct verb form (Present Perfect simple or continuous). 1. I'm very sorry that I have (broken/been breaking) your cup. 2. Oh, it's not ready! You have (written / been writing) this compost tion for the whole day. 3.