can switch
Verbo regular: switch - switched- switched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can switch
you can switch
he can switch
we can switch
you can switch
they can switch 	I can be switching
you can be switching
he can be switching
we can be switching
you can be switching
they can be switching	I can have switched
you can have switched
he 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
he can have been switching
we can have been switching
you can have been switching
they can have been switching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't switch
you can't switch
he 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
he 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
he 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
he 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
can I switch?
can you switch?
can he switch?
can we switch?
can you switch?
can they switch? 	can I be switching?
can you be switching?
can he be switching?
can we be switching?
can you be switching?
can they be switching? 	can I have switched?
can you have switched?
can he 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 he have been switching?
can we have been switching?
can you have been switching?
can they have been switching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I switch?
can't you switch?
can't he 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 he 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 he 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 he have been switching?
can't we have been switching?
can't you have been switching?
can't they have been switching?