can switch
Verbo regular: switch - switched- switched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can switch
you can switch
she can switch
we can switch
you can switch
they can switch 	I can be switching
you can be switching
she can be switching
we can be switching
you can be switching
they can be switching	I can have switched
you can have switched
she can have switched
we can have switched
you can have switched
they can have switched	I can have been switching
you can have been switching
she can have been switching
we can have been switching
you can have been switching
they can have been switching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't switch
you can't switch
she can't switch
we can't switch
you can't switch
they can't switch 	I can't be switching
you can't be switching
she can't be switching
we can't be switching
you can't be switching
they can't be switching	I can't have switched
you can't have switched
she can't have switched
we can't have switched
you can't have switched
they can't have switched	I can't have been switching
you can't have been switching
she can't have been switching
we can't have been switching
you can't have been switching
they can't have been switching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I switch?
can you switch?
can she switch?
can we switch?
can you switch?
can they switch? 	can I be switching?
can you be switching?
can she be switching?
can we be switching?
can you be switching?
can they be switching? 	can I have switched?
can you have switched?
can she have switched?
can we have switched?
can you have switched?
can they have switched? 	can I have been switching?
can you have been switching?
can she have been switching?
can we have been switching?
can you have been switching?
can they have been switching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I switch?
can't you switch?
can't she switch?
can't we switch?
can't you switch?
can't they switch? 	can't I be switching?
can't you be switching?
can't she be switching?
can't we be switching?
can't you be switching?
can't they be switching? 	can't I have switched?
can't you have switched?
can't she have switched?
can't we have switched?
can't you have switched?
can't they have switched? 	can't I have been switching?
can't you have been switching?
can't she have been switching?
can't we have been switching?
can't you have been switching?
can't they have been switching?