can slub
Regular verb: slub - slubed- slubed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can slub
you can slub
she can slub
we can slub
you can slub
they can slub 	I can be slubing
you can be slubing
she can be slubing
we can be slubing
you can be slubing
they can be slubing	I can have slubed
you can have slubed
she can have slubed
we can have slubed
you can have slubed
they can have slubed	I can have been slubing
you can have been slubing
she can have been slubing
we can have been slubing
you can have been slubing
they can have been slubing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't slub
you can't slub
she can't slub
we can't slub
you can't slub
they can't slub 	I can't be slubing
you can't be slubing
she can't be slubing
we can't be slubing
you can't be slubing
they can't be slubing	I can't have slubed
you can't have slubed
she can't have slubed
we can't have slubed
you can't have slubed
they can't have slubed	I can't have been slubing
you can't have been slubing
she can't have been slubing
we can't have been slubing
you can't have been slubing
they can't have been slubing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I slub?
can you slub?
can she slub?
can we slub?
can you slub?
can they slub? 	can I be slubing?
can you be slubing?
can she be slubing?
can we be slubing?
can you be slubing?
can they be slubing? 	can I have slubed?
can you have slubed?
can she have slubed?
can we have slubed?
can you have slubed?
can they have slubed? 	can I have been slubing?
can you have been slubing?
can she have been slubing?
can we have been slubing?
can you have been slubing?
can they have been slubing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I slub?
can't you slub?
can't she slub?
can't we slub?
can't you slub?
can't they slub? 	can't I be slubing?
can't you be slubing?
can't she be slubing?
can't we be slubing?
can't you be slubing?
can't they be slubing? 	can't I have slubed?
can't you have slubed?
can't she have slubed?
can't we have slubed?
can't you have slubed?
can't they have slubed? 	can't I have been slubing?
can't you have been slubing?
can't she have been slubing?
can't we have been slubing?
can't you have been slubing?
can't they have been slubing?