can proceed
Regular verb: proceed - proceeded- proceeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can proceed
you can proceed
she can proceed
we can proceed
you can proceed
they can proceed 	I can be proceeding
you can be proceeding
she can be proceeding
we can be proceeding
you can be proceeding
they can be proceeding	I can have proceeded
you can have proceeded
she 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
she can have been proceeding
we can have been proceeding
you can have been proceeding
they can have been proceeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't proceed
you can't proceed
she 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
she 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
she 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
she can't have been proceeding
we can't have been proceeding
you can't have been proceeding
they can't have been proceeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I proceed?
can you proceed?
can she proceed?
can we proceed?
can you proceed?
can they proceed? 	can I be proceeding?
can you be proceeding?
can she be proceeding?
can we be proceeding?
can you be proceeding?
can they be proceeding? 	can I have proceeded?
can you have proceeded?
can she 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 she have been proceeding?
can we have been proceeding?
can you have been proceeding?
can they have been proceeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I proceed?
can't you proceed?
can't she 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 she 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 she 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 she have been proceeding?
can't we have been proceeding?
can't you have been proceeding?
can't they have been proceeding?