Образуйте условные предложения. he is busy and doesn’t come to see us… — if… he was busy yesterday and didn’t come to see us… — if … i can’t translate the article because i have no dictionary. — if… i didn’t translate the article yesterday because i had no dictionary. — if… the box is heavy. i think
i will take a taxi. — if… the box was heavy. i couldn’t carry it. so i took a taxi. — if…

1" ты часто плаваешь? " " do you often swim? " -"нет,я не был в  с мая".   no, i don’t. i haven’t been in the swimming pool since may. 2 "kак давно ты знаком с ириной? " "how long have you known irina? " - "о да,я знаю ее с детства." oh, yes. i’ve known her since her childhood" 3 "николай все еще играет в теннис по выходным? " "has nikolay still being played tennis on the weekends? "   "hет, он уже сто лет не играл ". oh, no, he hasn’t played tennis for ages. 4"какая у вас сейчас погода в лондоне? "- what weather do you have in london now? "-   "ужасная, дождь не перестает лить до среды". "terrible, it doesn’t stop raining till wednesday". 5"у вас в петербурге сейчас много снега? " do you have a lot of snow? "   -"нет, не . no, not much. снега не было уже давно". it hasn’t snowed for a very long time".

1.they are in the school, aren't they?  

2.they aren't at home? are they?  

3.they do exercises, don't they?  

4.she can sing, can't she?  

5.he doesn't like soup, does he?  

6.there are a little bear, aren't there?  

7.it is a cake, ian't it?  

8.you will go to the cinema, won't you?  

9.you can't swim, can you?