ejercisios presente perfecto

the electrician(repair)...... the lighting system
the electrician has reapired the lighting system
the electrician has not repaired the lighting system
has the electricin repaired the lighting system

a thief(steal).......mary`s purse
a thief has stolen mry`s purse
a thief has not stolen mary`s purse
has a thief stolen mry`s purse

they(accept)......credit cards
they have accepted credits cards
they have not ccpted cradit cards
have they accepted credits cards

susan(get).......$50 as a prize
susan has got $50 as  prize
susan has not got $50 as a prize
has susan got $50 as a prize

he (build)........ a new department
he has buit a new deprtment
he has not buit a new department
has he built a new department