can summate
Verbo regular: summate - summated- summated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can summate
you can summate
he can summate
we can summate
you can summate
they can summate 	I can be summating
you can be summating
he can be summating
we can be summating
you can be summating
they can be summating	I can have summated
you can have summated
he can have summated
we can have summated
you can have summated
they can have summated	I can have been summating
you can have been summating
he can have been summating
we can have been summating
you can have been summating
they can have been summating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot summate
you cannot summate
he cannot summate
we cannot summate
you cannot summate
they cannot summate 	I cannot be summating
you cannot be summating
he cannot be summating
we cannot be summating
you cannot be summating
they cannot be summating	I cannot have summated
you cannot have summated
he cannot have summated
we cannot have summated
you cannot have summated
they cannot have summated	I cannot have been summating
you cannot have been summating
he cannot have been summating
we cannot have been summating
you cannot have been summating
they cannot have been summating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I summate?
can you summate?
can he summate?
can we summate?
can you summate?
can they summate? 	can I be summating?
can you be summating?
can he be summating?
can we be summating?
can you be summating?
can they be summating? 	can I have summated?
can you have summated?
can he have summated?
can we have summated?
can you have summated?
can they have summated? 	can I have been summating?
can you have been summating?
can he have been summating?
can we have been summating?
can you have been summating?
can they have been summating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not summate?
can you not summate?
can he not summate?
can we not summate?
can you not summate?
can they not summate? 	can I not be summating?
can you not be summating?
can he not be summating?
can we not be summating?
can you not be summating?
can they not be summating? 	can I not have summated?
can you not have summated?
can he not have summated?
can we not have summated?
can you not have summated?
can they not have summated? 	can I not have been summating?
can you not have been summating?
can he not have been summating?
can we not have been summating?
can you not have been summating?
can they not have been summating?