can commemorate
Verbo regular: commemorate - commemorated- commemorated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can commemorate
you can commemorate
she can commemorate
we can commemorate
you can commemorate
they can commemorate 	I can be commemorating
you can be commemorating
she can be commemorating
we can be commemorating
you can be commemorating
they can be commemorating	I can have commemorated
you can have commemorated
she can have commemorated
we can have commemorated
you can have commemorated
they can have commemorated	I can have been commemorating
you can have been commemorating
she can have been commemorating
we can have been commemorating
you can have been commemorating
they can have been commemorating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot commemorate
you cannot commemorate
she cannot commemorate
we cannot commemorate
you cannot commemorate
they cannot commemorate 	I cannot be commemorating
you cannot be commemorating
she cannot be commemorating
we cannot be commemorating
you cannot be commemorating
they cannot be commemorating	I cannot have commemorated
you cannot have commemorated
she cannot have commemorated
we cannot have commemorated
you cannot have commemorated
they cannot have commemorated	I cannot have been commemorating
you cannot have been commemorating
she cannot have been commemorating
we cannot have been commemorating
you cannot have been commemorating
they cannot have been commemorating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I commemorate?
can you commemorate?
can she commemorate?
can we commemorate?
can you commemorate?
can they commemorate? 	can I be commemorating?
can you be commemorating?
can she be commemorating?
can we be commemorating?
can you be commemorating?
can they be commemorating? 	can I have commemorated?
can you have commemorated?
can she have commemorated?
can we have commemorated?
can you have commemorated?
can they have commemorated? 	can I have been commemorating?
can you have been commemorating?
can she have been commemorating?
can we have been commemorating?
can you have been commemorating?
can they have been commemorating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not commemorate?
can you not commemorate?
can she not commemorate?
can we not commemorate?
can you not commemorate?
can they not commemorate? 	can I not be commemorating?
can you not be commemorating?
can she not be commemorating?
can we not be commemorating?
can you not be commemorating?
can they not be commemorating? 	can I not have commemorated?
can you not have commemorated?
can she not have commemorated?
can we not have commemorated?
can you not have commemorated?
can they not have commemorated? 	can I not have been commemorating?
can you not have been commemorating?
can she not have been commemorating?
can we not have been commemorating?
can you not have been commemorating?
can they not have been commemorating?