can overdub
Regular verb: overdub - overdubed- overdubed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can overdub
you can overdub
she can overdub
we can overdub
you can overdub
they can overdub 	I can be overdubing
you can be overdubing
she can be overdubing
we can be overdubing
you can be overdubing
they can be overdubing	I can have overdubed
you can have overdubed
she can have overdubed
we can have overdubed
you can have overdubed
they can have overdubed	I can have been overdubing
you can have been overdubing
she can have been overdubing
we can have been overdubing
you can have been overdubing
they can have been overdubing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't overdub
you can't overdub
she can't overdub
we can't overdub
you can't overdub
they can't overdub 	I can't be overdubing
you can't be overdubing
she can't be overdubing
we can't be overdubing
you can't be overdubing
they can't be overdubing	I can't have overdubed
you can't have overdubed
she can't have overdubed
we can't have overdubed
you can't have overdubed
they can't have overdubed	I can't have been overdubing
you can't have been overdubing
she can't have been overdubing
we can't have been overdubing
you can't have been overdubing
they can't have been overdubing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I overdub?
can you overdub?
can she overdub?
can we overdub?
can you overdub?
can they overdub? 	can I be overdubing?
can you be overdubing?
can she be overdubing?
can we be overdubing?
can you be overdubing?
can they be overdubing? 	can I have overdubed?
can you have overdubed?
can she have overdubed?
can we have overdubed?
can you have overdubed?
can they have overdubed? 	can I have been overdubing?
can you have been overdubing?
can she have been overdubing?
can we have been overdubing?
can you have been overdubing?
can they have been overdubing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I overdub?
can't you overdub?
can't she overdub?
can't we overdub?
can't you overdub?
can't they overdub? 	can't I be overdubing?
can't you be overdubing?
can't she be overdubing?
can't we be overdubing?
can't you be overdubing?
can't they be overdubing? 	can't I have overdubed?
can't you have overdubed?
can't she have overdubed?
can't we have overdubed?
can't you have overdubed?
can't they have overdubed? 	can't I have been overdubing?
can't you have been overdubing?
can't she have been overdubing?
can't we have been overdubing?
can't you have been overdubing?
can't they have been overdubing?