can change
Verbo regular: change - changed- changed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can change
you can change
he can change
we can change
you can change
they can change 	I can be changing
you can be changing
he can be changing
we can be changing
you can be changing
they can be changing	I can have changed
you can have changed
he can have changed
we can have changed
you can have changed
they can have changed	I can have been changing
you can have been changing
he can have been changing
we can have been changing
you can have been changing
they can have been changing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't change
you can't change
he can't change
we can't change
you can't change
they can't change 	I can't be changing
you can't be changing
he can't be changing
we can't be changing
you can't be changing
they can't be changing	I can't have changed
you can't have changed
he can't have changed
we can't have changed
you can't have changed
they can't have changed	I can't have been changing
you can't have been changing
he can't have been changing
we can't have been changing
you can't have been changing
they can't have been changing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I change?
can you change?
can he change?
can we change?
can you change?
can they change? 	can I be changing?
can you be changing?
can he be changing?
can we be changing?
can you be changing?
can they be changing? 	can I have changed?
can you have changed?
can he have changed?
can we have changed?
can you have changed?
can they have changed? 	can I have been changing?
can you have been changing?
can he have been changing?
can we have been changing?
can you have been changing?
can they have been changing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I change?
can't you change?
can't he change?
can't we change?
can't you change?
can't they change? 	can't I be changing?
can't you be changing?
can't he be changing?
can't we be changing?
can't you be changing?
can't they be changing? 	can't I have changed?
can't you have changed?
can't he have changed?
can't we have changed?
can't you have changed?
can't they have changed? 	can't I have been changing?
can't you have been changing?
can't he have been changing?
can't we have been changing?
can't you have been changing?
can't they have been changing?