can border
Verbo regular: border - bordered- bordered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can border
you can border
he can border
we can border
you can border
they can border 	I can be bordering
you can be bordering
he can be bordering
we can be bordering
you can be bordering
they can be bordering	I can have bordered
you can have bordered
he can have bordered
we can have bordered
you can have bordered
they can have bordered	I can have been bordering
you can have been bordering
he can have been bordering
we can have been bordering
you can have been bordering
they can have been bordering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot border
you cannot border
he cannot border
we cannot border
you cannot border
they cannot border 	I cannot be bordering
you cannot be bordering
he cannot be bordering
we cannot be bordering
you cannot be bordering
they cannot be bordering	I cannot have bordered
you cannot have bordered
he cannot have bordered
we cannot have bordered
you cannot have bordered
they cannot have bordered	I cannot have been bordering
you cannot have been bordering
he cannot have been bordering
we cannot have been bordering
you cannot have been bordering
they cannot have been bordering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I border?
can you border?
can he border?
can we border?
can you border?
can they border? 	can I be bordering?
can you be bordering?
can he be bordering?
can we be bordering?
can you be bordering?
can they be bordering? 	can I have bordered?
can you have bordered?
can he have bordered?
can we have bordered?
can you have bordered?
can they have bordered? 	can I have been bordering?
can you have been bordering?
can he have been bordering?
can we have been bordering?
can you have been bordering?
can they have been bordering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not border?
can you not border?
can he not border?
can we not border?
can you not border?
can they not border? 	can I not be bordering?
can you not be bordering?
can he not be bordering?
can we not be bordering?
can you not be bordering?
can they not be bordering? 	can I not have bordered?
can you not have bordered?
can he not have bordered?
can we not have bordered?
can you not have bordered?
can they not have bordered? 	can I not have been bordering?
can you not have been bordering?
can he not have been bordering?
can we not have been bordering?
can you not have been bordering?
can they not have been bordering?