Речення з неправильними дієс заперечення. та запитання

Вот опять! какой то язык непонятный!

1)I was at home yesterday
I was not at home yesterday
Were you at home yesterday?
 

2)I begun study English 
I was not begin study Enlish
Were you begin study English?

3)I fed the dog
I was not feed the dog
Were you feed the dog?

4)He came yesterday
He was not come yesterday
Was he come yestarday?

5)Donna eaten a cake
Donna was not eat a cake
Was Donna eat a cake?

6)I cut trees
I was not cut trees
Were you cut trees?