can number
Verbo regular: number - numbered- numbered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can number
you can number
he can number
we can number
you can number
they can number 	I can be numbering
you can be numbering
he can be numbering
we can be numbering
you can be numbering
they can be numbering	I can have numbered
you can have numbered
he can have numbered
we can have numbered
you can have numbered
they can have numbered	I can have been numbering
you can have been numbering
he can have been numbering
we can have been numbering
you can have been numbering
they can have been numbering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot number
you cannot number
he cannot number
we cannot number
you cannot number
they cannot number 	I cannot be numbering
you cannot be numbering
he cannot be numbering
we cannot be numbering
you cannot be numbering
they cannot be numbering	I cannot have numbered
you cannot have numbered
he cannot have numbered
we cannot have numbered
you cannot have numbered
they cannot have numbered	I cannot have been numbering
you cannot have been numbering
he cannot have been numbering
we cannot have been numbering
you cannot have been numbering
they cannot have been numbering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I number?
can you number?
can he number?
can we number?
can you number?
can they number? 	can I be numbering?
can you be numbering?
can he be numbering?
can we be numbering?
can you be numbering?
can they be numbering? 	can I have numbered?
can you have numbered?
can he have numbered?
can we have numbered?
can you have numbered?
can they have numbered? 	can I have been numbering?
can you have been numbering?
can he have been numbering?
can we have been numbering?
can you have been numbering?
can they have been numbering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not number?
can you not number?
can he not number?
can we not number?
can you not number?
can they not number? 	can I not be numbering?
can you not be numbering?
can he not be numbering?
can we not be numbering?
can you not be numbering?
can they not be numbering? 	can I not have numbered?
can you not have numbered?
can he not have numbered?
can we not have numbered?
can you not have numbered?
can they not have numbered? 	can I not have been numbering?
can you not have been numbering?
can he not have been numbering?
can we not have been numbering?
can you not have been numbering?
can they not have been numbering?