can deadhead
Regular verb: deadhead - deadheaded- deadheaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can deadhead
you can deadhead
she can deadhead
we can deadhead
you can deadhead
they can deadhead 	I can be deadheading
you can be deadheading
she can be deadheading
we can be deadheading
you can be deadheading
they can be deadheading	I can have deadheaded
you can have deadheaded
she can have deadheaded
we can have deadheaded
you can have deadheaded
they can have deadheaded	I can have been deadheading
you can have been deadheading
she can have been deadheading
we can have been deadheading
you can have been deadheading
they can have been deadheading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't deadhead
you can't deadhead
she can't deadhead
we can't deadhead
you can't deadhead
they can't deadhead 	I can't be deadheading
you can't be deadheading
she can't be deadheading
we can't be deadheading
you can't be deadheading
they can't be deadheading	I can't have deadheaded
you can't have deadheaded
she can't have deadheaded
we can't have deadheaded
you can't have deadheaded
they can't have deadheaded	I can't have been deadheading
you can't have been deadheading
she can't have been deadheading
we can't have been deadheading
you can't have been deadheading
they can't have been deadheading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I deadhead?
can you deadhead?
can she deadhead?
can we deadhead?
can you deadhead?
can they deadhead? 	can I be deadheading?
can you be deadheading?
can she be deadheading?
can we be deadheading?
can you be deadheading?
can they be deadheading? 	can I have deadheaded?
can you have deadheaded?
can she have deadheaded?
can we have deadheaded?
can you have deadheaded?
can they have deadheaded? 	can I have been deadheading?
can you have been deadheading?
can she have been deadheading?
can we have been deadheading?
can you have been deadheading?
can they have been deadheading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I deadhead?
can't you deadhead?
can't she deadhead?
can't we deadhead?
can't you deadhead?
can't they deadhead? 	can't I be deadheading?
can't you be deadheading?
can't she be deadheading?
can't we be deadheading?
can't you be deadheading?
can't they be deadheading? 	can't I have deadheaded?
can't you have deadheaded?
can't she have deadheaded?
can't we have deadheaded?
can't you have deadheaded?
can't they have deadheaded? 	can't I have been deadheading?
can't you have been deadheading?
can't she have been deadheading?
can't we have been deadheading?
can't you have been deadheading?
can't they have been deadheading?