Teorija

S + have/has + not + V3 + O
  
S - subject: I, we, you, they, he, she, it, Mary, John ...
V3 - the Past Participle of the verb (the verb in the third form): written, eaten, worked, ...
O - object
 
S
have/has
not
V3
O
Ihavenoteatentwo apples.
Wehavenoteatentwo apples.
Youhavenoteatentwo apples.
Theyhavenoteatentwo apples.
He hasnoteatentwo apples.
Shehasnoteatentwo apples.
Ithasnoteatentwo apples.
 
Short forms:
 
have not = haven't
I have not eaten = I haven't eaten
 
has not= hasn't
She has not eaten = She hasn't eaten