How do you say "You could have called" ? And how about "I would have called but..."

"You could have called."
 "Ou te ka rele."

"You could have called me at least."
"Ou te ka rele m omwens."

"I would have called but..."
"Mwen te ka rele men...."

"I would have called you but I was too busy."
"Mwen te ka rele w men m te twò okipe."

"I would have called you if I was not so busy."
"Mwen ta ka rele w si m pa't okipe konsa."

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words