Вопросительное предложение (на ) к предложению я могу пользоваться их компютером

Can i use a computer? i can use a computer, can't i?

Can i use their computer? могу я пользоваться их компьютером?

1)  my uncle works at the shop -  does your uncle work at the shop? where does your uncle work? does your uncle work at the shop or at school? who works at the shop? your uncle works at the shop, doesn't he? 2)  yesterday we walked in the park did you  walk  in the park yesterday  ? did you  walk  in the park yesterday  or last week? you  walked  in the park yesterday, didn't you  ? who  walked  in the park yesterday  ? where did you  walk  yesterday  ? 3)  the next summer i'll go to the south will you go to the south  next summer  ? when will you  go to the south? will you  go to the south next summer or autumn? you will  go to the south next summer, won't you? who will  go to the south next summer?

1.all my friends like ballroom dancing or modern dancing? do all my friends like ballroom dancing? all my friends like ballroom dancing, don’t they? what do all my friends like? who likes ballroom dancing?   2. my mother loves cooking or knitting? does my mother love cooking? my mother loves cooking, does not she? what does my mother love? who loves cooking? 3. they are interesting in sightseeing or making photos? are they interesting in sightseeing? they are interesting in sightseeing, aren’t they? what are they interesting in? who are interesting in sightseeing? 4 knitting is a quiet hobby or boring hobby? is knitting a quiet hobby? knitting is a quiet hobby, isn’t it? what is knitting? what kind of hobby is?