can flub
Regular verb: flub - flubed- flubed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can flub
you can flub
she can flub
we can flub
you can flub
they can flub 	I can be flubing
you can be flubing
she can be flubing
we can be flubing
you can be flubing
they can be flubing	I can have flubed
you can have flubed
she can have flubed
we can have flubed
you can have flubed
they can have flubed	I can have been flubing
you can have been flubing
she can have been flubing
we can have been flubing
you can have been flubing
they can have been flubing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't flub
you can't flub
she can't flub
we can't flub
you can't flub
they can't flub 	I can't be flubing
you can't be flubing
she can't be flubing
we can't be flubing
you can't be flubing
they can't be flubing	I can't have flubed
you can't have flubed
she can't have flubed
we can't have flubed
you can't have flubed
they can't have flubed	I can't have been flubing
you can't have been flubing
she can't have been flubing
we can't have been flubing
you can't have been flubing
they can't have been flubing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I flub?
can you flub?
can she flub?
can we flub?
can you flub?
can they flub? 	can I be flubing?
can you be flubing?
can she be flubing?
can we be flubing?
can you be flubing?
can they be flubing? 	can I have flubed?
can you have flubed?
can she have flubed?
can we have flubed?
can you have flubed?
can they have flubed? 	can I have been flubing?
can you have been flubing?
can she have been flubing?
can we have been flubing?
can you have been flubing?
can they have been flubing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I flub?
can't you flub?
can't she flub?
can't we flub?
can't you flub?
can't they flub? 	can't I be flubing?
can't you be flubing?
can't she be flubing?
can't we be flubing?
can't you be flubing?
can't they be flubing? 	can't I have flubed?
can't you have flubed?
can't she have flubed?
can't we have flubed?
can't you have flubed?
can't they have flubed? 	can't I have been flubing?
can't you have been flubing?
can't she have been flubing?
can't we have been flubing?
can't you have been flubing?
can't they have been flubing?