Образуйте форму притяжательного падежа в словосочетания. the umbrella of my grandmother —

you can't fly, can you? - yes, i can. / no, i can't.

your favourite subject is maths, isn't it? - yes, it is. / no, it isn't.

you are reading a book now, aren't you? yes, i am. / no, i'm not.

this autumn isn't cold, is it? yes, it is. / no, it isn't.

they are in london, aren't they?   yes, they are. / no, they aren't.

поставь "лучшее решение", если несложно.

1) what are you doing now? 2)how much is it? 3)who plays football? 4)when do you must visit your grandmother? 5)are you reading book now? 6)where do you live? 7)is he drinking coke now? 8)why are you walking now?