речення з неправильними дієс заперечення. та запитання

Вот опять! какой то язык непонятный!

1)I was at home yesterdayI was not at home yesterdayWere you at home yesterday? 2)I begun study English I was not begin study EnlishWere you begin study English?3)I fed the dogI was not feed the dogWere you feed the dog?4)He came yesterdayHe was not come yesterdayWas he come yestarday?5)Donna eaten a cakeDonna was not eat a cakeWas Donna eat a cake?6)I cut treesI was not cut treesWere you cut trees?