Complete the tables.Then look at the dialogue on page 6 and check.​

1. it (has been snowing) steadily the whole week and it is still (snowing) 2. we (have been climbing) for six hours already, but we (haven't reach) the top of the mountain yet. 3. the pain has already (gone) but the child is still (crying). 4. have the workers (been working) very hard these two weeks? they (were) busy with the interior decoration of the house. 5. he (has been solving) the crossword puzzle for an hour and he (says) he is about to solve it as he (is thinking) over the last word оf it 6. he (has been working) at the language all the time and (has made) great progress. his pronunciation is rather good, only a slight accent (remains). 7. не (has finished) the first part of his book and now he (is writing) the second. he (has been working) at his book for two years. 8. dusliri hoffman, who (plays) the hero, (is giving) a fine performance. 9. why is your hair wet? have you been (swimming)? 10. doctors and scientists have recently shown the benefit of fish in the diet

1. If they __ (do not  eat) well, they __ (are not) healthy. 2. If __ (I  go) on a ferry, I always feel sick. 3. I __ (feel) very good the following day if I __ (have) enough sleep. 4. If __ (I do not know) a word, I __ (look) it up in my pocket dictionary. 5. They play video-games if __ (they do not have) any homework. 6. If you bring the temperature down, this water  (turns) into ice. 7. She __ (likes) to visit the museums if she __ (is) in a new country. 8. Vasya always __ (buys) expensive clothes if he __ (goes) shopping. 9. Tamara, our maths teacher, gets angry if __ (we do not work) hard enough. 10. If you __ (press) this button here, the light __ (goes) on.