can neck
Verbo regular: neck - necked- necked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can neck
you can neck
he can neck
we can neck
you can neck
they can neck 	I can be necking
you can be necking
he can be necking
we can be necking
you can be necking
they can be necking	I can have necked
you can have necked
he can have necked
we can have necked
you can have necked
they can have necked	I can have been necking
you can have been necking
he can have been necking
we can have been necking
you can have been necking
they can have been necking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot neck
you cannot neck
he cannot neck
we cannot neck
you cannot neck
they cannot neck 	I cannot be necking
you cannot be necking
he cannot be necking
we cannot be necking
you cannot be necking
they cannot be necking	I cannot have necked
you cannot have necked
he cannot have necked
we cannot have necked
you cannot have necked
they cannot have necked	I cannot have been necking
you cannot have been necking
he cannot have been necking
we cannot have been necking
you cannot have been necking
they cannot have been necking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I neck?
can you neck?
can he neck?
can we neck?
can you neck?
can they neck? 	can I be necking?
can you be necking?
can he be necking?
can we be necking?
can you be necking?
can they be necking? 	can I have necked?
can you have necked?
can he have necked?
can we have necked?
can you have necked?
can they have necked? 	can I have been necking?
can you have been necking?
can he have been necking?
can we have been necking?
can you have been necking?
can they have been necking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not neck?
can you not neck?
can he not neck?
can we not neck?
can you not neck?
can they not neck? 	can I not be necking?
can you not be necking?
can he not be necking?
can we not be necking?
can you not be necking?
can they not be necking? 	can I not have necked?
can you not have necked?
can he not have necked?
can we not have necked?
can you not have necked?
can they not have necked? 	can I not have been necking?
can you not have been necking?
can he not have been necking?
can we not have been necking?
can you not have been necking?
can they not have been necking?