can subtend
Verbo regular: subtend - subtended- subtended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can subtend
you can subtend
he can subtend
we can subtend
you can subtend
they can subtend 	I can be subtending
you can be subtending
he can be subtending
we can be subtending
you can be subtending
they can be subtending	I can have subtended
you can have subtended
he can have subtended
we can have subtended
you can have subtended
they can have subtended	I can have been subtending
you can have been subtending
he can have been subtending
we can have been subtending
you can have been subtending
they can have been subtending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot subtend
you cannot subtend
he cannot subtend
we cannot subtend
you cannot subtend
they cannot subtend 	I cannot be subtending
you cannot be subtending
he cannot be subtending
we cannot be subtending
you cannot be subtending
they cannot be subtending	I cannot have subtended
you cannot have subtended
he cannot have subtended
we cannot have subtended
you cannot have subtended
they cannot have subtended	I cannot have been subtending
you cannot have been subtending
he cannot have been subtending
we cannot have been subtending
you cannot have been subtending
they cannot have been subtending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I subtend?
can you subtend?
can he subtend?
can we subtend?
can you subtend?
can they subtend? 	can I be subtending?
can you be subtending?
can he be subtending?
can we be subtending?
can you be subtending?
can they be subtending? 	can I have subtended?
can you have subtended?
can he have subtended?
can we have subtended?
can you have subtended?
can they have subtended? 	can I have been subtending?
can you have been subtending?
can he have been subtending?
can we have been subtending?
can you have been subtending?
can they have been subtending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not subtend?
can you not subtend?
can he not subtend?
can we not subtend?
can you not subtend?
can they not subtend? 	can I not be subtending?
can you not be subtending?
can he not be subtending?
can we not be subtending?
can you not be subtending?
can they not be subtending? 	can I not have subtended?
can you not have subtended?
can he not have subtended?
can we not have subtended?
can you not have subtended?
can they not have subtended? 	can I not have been subtending?
can you not have been subtending?
can he not have been subtending?
can we not have been subtending?
can you not have been subtending?
can they not have been subtending?