can stag
Verbo regular: stag - staged- staged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can stag
you can stag
he can stag
we can stag
you can stag
they can stag 	I can be staging
you can be staging
he can be staging
we can be staging
you can be staging
they can be staging	I can have staged
you can have staged
he can have staged
we can have staged
you can have staged
they can have staged	I can have been staging
you can have been staging
he can have been staging
we can have been staging
you can have been staging
they can have been staging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot stag
you cannot stag
he cannot stag
we cannot stag
you cannot stag
they cannot stag 	I cannot be staging
you cannot be staging
he cannot be staging
we cannot be staging
you cannot be staging
they cannot be staging	I cannot have staged
you cannot have staged
he cannot have staged
we cannot have staged
you cannot have staged
they cannot have staged	I cannot have been staging
you cannot have been staging
he cannot have been staging
we cannot have been staging
you cannot have been staging
they cannot have been staging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I stag?
can you stag?
can he stag?
can we stag?
can you stag?
can they stag? 	can I be staging?
can you be staging?
can he be staging?
can we be staging?
can you be staging?
can they be staging? 	can I have staged?
can you have staged?
can he have staged?
can we have staged?
can you have staged?
can they have staged? 	can I have been staging?
can you have been staging?
can he have been staging?
can we have been staging?
can you have been staging?
can they have been staging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not stag?
can you not stag?
can he not stag?
can we not stag?
can you not stag?
can they not stag? 	can I not be staging?
can you not be staging?
can he not be staging?
can we not be staging?
can you not be staging?
can they not be staging? 	can I not have staged?
can you not have staged?
can he not have staged?
can we not have staged?
can you not have staged?
can they not have staged? 	can I not have been staging?
can you not have been staging?
can he not have been staging?
can we not have been staging?
can you not have been staging?
can they not have been staging?