can serve
Verbo regular: serve - served- served

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can serve
you can serve
he can serve
we can serve
you can serve
they can serve 	I can be serving
you can be serving
he can be serving
we can be serving
you can be serving
they can be serving	I can have served
you can have served
he can have served
we can have served
you can have served
they can have served	I can have been serving
you can have been serving
he can have been serving
we can have been serving
you can have been serving
they can have been serving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't serve
you can't serve
he can't serve
we can't serve
you can't serve
they can't serve 	I can't be serving
you can't be serving
he can't be serving
we can't be serving
you can't be serving
they can't be serving	I can't have served
you can't have served
he can't have served
we can't have served
you can't have served
they can't have served	I can't have been serving
you can't have been serving
he can't have been serving
we can't have been serving
you can't have been serving
they can't have been serving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I serve?
can you serve?
can he serve?
can we serve?
can you serve?
can they serve? 	can I be serving?
can you be serving?
can he be serving?
can we be serving?
can you be serving?
can they be serving? 	can I have served?
can you have served?
can he have served?
can we have served?
can you have served?
can they have served? 	can I have been serving?
can you have been serving?
can he have been serving?
can we have been serving?
can you have been serving?
can they have been serving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I serve?
can't you serve?
can't he serve?
can't we serve?
can't you serve?
can't they serve? 	can't I be serving?
can't you be serving?
can't he be serving?
can't we be serving?
can't you be serving?
can't they be serving? 	can't I have served?
can't you have served?
can't he have served?
can't we have served?
can't you have served?
can't they have served? 	can't I have been serving?
can't you have been serving?
can't he have been serving?
can't we have been serving?
can't you have been serving?
can't they have been serving?