can cease
Regular verb: cease - ceased- ceased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cease
you can cease
she can cease
we can cease
you can cease
they can cease 	I can be ceasing
you can be ceasing
she can be ceasing
we can be ceasing
you can be ceasing
they can be ceasing	I can have ceased
you can have ceased
she can have ceased
we can have ceased
you can have ceased
they can have ceased	I can have been ceasing
you can have been ceasing
she can have been ceasing
we can have been ceasing
you can have been ceasing
they can have been ceasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cease
you can't cease
she can't cease
we can't cease
you can't cease
they can't cease 	I can't be ceasing
you can't be ceasing
she can't be ceasing
we can't be ceasing
you can't be ceasing
they can't be ceasing	I can't have ceased
you can't have ceased
she can't have ceased
we can't have ceased
you can't have ceased
they can't have ceased	I can't have been ceasing
you can't have been ceasing
she can't have been ceasing
we can't have been ceasing
you can't have been ceasing
they can't have been ceasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cease?
can you cease?
can she cease?
can we cease?
can you cease?
can they cease? 	can I be ceasing?
can you be ceasing?
can she be ceasing?
can we be ceasing?
can you be ceasing?
can they be ceasing? 	can I have ceased?
can you have ceased?
can she have ceased?
can we have ceased?
can you have ceased?
can they have ceased? 	can I have been ceasing?
can you have been ceasing?
can she have been ceasing?
can we have been ceasing?
can you have been ceasing?
can they have been ceasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cease?
can't you cease?
can't she cease?
can't we cease?
can't you cease?
can't they cease? 	can't I be ceasing?
can't you be ceasing?
can't she be ceasing?
can't we be ceasing?
can't you be ceasing?
can't they be ceasing? 	can't I have ceased?
can't you have ceased?
can't she have ceased?
can't we have ceased?
can't you have ceased?
can't they have ceased? 	can't I have been ceasing?
can't you have been ceasing?
can't she have been ceasing?
can't we have been ceasing?
can't you have been ceasing?
can't they have been ceasing?