can haven
Verbo regular: haven - havened- havened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can haven
you can haven
he can haven
we can haven
you can haven
they can haven 	I can be havening
you can be havening
he can be havening
we can be havening
you can be havening
they can be havening	I can have havened
you can have havened
he can have havened
we can have havened
you can have havened
they can have havened	I can have been havening
you can have been havening
he can have been havening
we can have been havening
you can have been havening
they can have been havening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't haven
you can't haven
he can't haven
we can't haven
you can't haven
they can't haven 	I can't be havening
you can't be havening
he can't be havening
we can't be havening
you can't be havening
they can't be havening	I can't have havened
you can't have havened
he can't have havened
we can't have havened
you can't have havened
they can't have havened	I can't have been havening
you can't have been havening
he can't have been havening
we can't have been havening
you can't have been havening
they can't have been havening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I haven?
can you haven?
can he haven?
can we haven?
can you haven?
can they haven? 	can I be havening?
can you be havening?
can he be havening?
can we be havening?
can you be havening?
can they be havening? 	can I have havened?
can you have havened?
can he have havened?
can we have havened?
can you have havened?
can they have havened? 	can I have been havening?
can you have been havening?
can he have been havening?
can we have been havening?
can you have been havening?
can they have been havening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I haven?
can't you haven?
can't he haven?
can't we haven?
can't you haven?
can't they haven? 	can't I be havening?
can't you be havening?
can't he be havening?
can't we be havening?
can't you be havening?
can't they be havening? 	can't I have havened?
can't you have havened?
can't he have havened?
can't we have havened?
can't you have havened?
can't they have havened? 	can't I have been havening?
can't you have been havening?
can't he have been havening?
can't we have been havening?
can't you have been havening?
can't they have been havening?