can proceed
Verbo regular: proceed - proceeded- proceeded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can proceed
you can proceed
he can proceed
we can proceed
you can proceed
they can proceed 	I can be proceeding
you can be proceeding
he can be proceeding
we can be proceeding
you can be proceeding
they can be proceeding	I can have proceeded
you can have proceeded
he can have proceeded
we can have proceeded
you can have proceeded
they can have proceeded	I can have been proceeding
you can have been proceeding
he can have been proceeding
we can have been proceeding
you can have been proceeding
they can have been proceeding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't proceed
you can't proceed
he can't proceed
we can't proceed
you can't proceed
they can't proceed 	I can't be proceeding
you can't be proceeding
he can't be proceeding
we can't be proceeding
you can't be proceeding
they can't be proceeding	I can't have proceeded
you can't have proceeded
he can't have proceeded
we can't have proceeded
you can't have proceeded
they can't have proceeded	I can't have been proceeding
you can't have been proceeding
he can't have been proceeding
we can't have been proceeding
you can't have been proceeding
they can't have been proceeding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I proceed?
can you proceed?
can he proceed?
can we proceed?
can you proceed?
can they proceed? 	can I be proceeding?
can you be proceeding?
can he be proceeding?
can we be proceeding?
can you be proceeding?
can they be proceeding? 	can I have proceeded?
can you have proceeded?
can he have proceeded?
can we have proceeded?
can you have proceeded?
can they have proceeded? 	can I have been proceeding?
can you have been proceeding?
can he have been proceeding?
can we have been proceeding?
can you have been proceeding?
can they have been proceeding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I proceed?
can't you proceed?
can't he proceed?
can't we proceed?
can't you proceed?
can't they proceed? 	can't I be proceeding?
can't you be proceeding?
can't he be proceeding?
can't we be proceeding?
can't you be proceeding?
can't they be proceeding? 	can't I have proceeded?
can't you have proceeded?
can't he have proceeded?
can't we have proceeded?
can't you have proceeded?
can't they have proceeded? 	can't I have been proceeding?
can't you have been proceeding?
can't he have been proceeding?
can't we have been proceeding?
can't you have been proceeding?
can't they have been proceeding?