>1. My uncle sold his car yesterday
>- Did my uncle {sell} his car yesterday? (pytanie jako takie jest okay, ale normalnie wygladaloby ono tak: Did your uncle sell his car yesterday?)
>- My uncle didn't {sell} his car yesterday. (w pytaniach i przeczeniach forma czasownika jest forma prosta - czas present simple; dotyczy to czasu Past Simple)
>- {Yes, he did.} (na tym polega odzpowiedz prosta - Yes, + zaimek/rzeczownik + did. lub No, + zaimek/rzeczownik + didn't.)
>2. They took {the} dog for a walk an hour ago.
>- Did they {take the} dog for a walk an hour ago?
>- They didn't {take the} dog for a walk an hour ago.
>-?
>3. She goes to bed at eleven o'clock every day
>- {Does} she {go} to bed at eleven o'clock every day? (w pytaniach i przeczeniach dotyczacych 3 os.l.poj. uzywasz form czasownika w jego podstawowej wersji - tj. bez s)
>- She {doesn't go} to bed at eleven o'clock every day.
>-? (Yes, + zaimek/rzeczownik + do/does (3 os.l.poj). lub No, + zaimek/rzeczownik + don't/doesn't (3 os.l.poj).)
>4. We're making an apple pie now.
>- Are {you} making an apple pie now?
>- We aren't making an apple pie now.
>-(Yes, + zaimek/rzeczownik + am (1 os.l.poj.)/is (3 os.l.poj.)/are (pozostale osoby l.poj. i mn.). lub No, + zaimek/rzeczownik + 'm not/isn't/aren't.)