should skivvy
Regular verb: skivvy - skivvied- skivvied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd skivvy
you'd skivvy
he'd skivvy
we'd skivvy
you'd skivvy
they'd skivvy 	I'd be skivvying
you'd be skivvying
he'd be skivvying
we'd be skivvying
you'd be skivvying
they'd be skivvying	I should've skivvied
you should've skivvied
he should've skivvied
we should've skivvied
you should've skivvied
they should've skivvied	I should've been skivvying
you should've been skivvying
he should've been skivvying
we should've been skivvying
you should've been skivvying
they should've been skivvying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't skivvy
you shouldn't skivvy
he shouldn't skivvy
we shouldn't skivvy
you shouldn't skivvy
they shouldn't skivvy 	I shouldn't be skivvying
you shouldn't be skivvying
he shouldn't be skivvying
we shouldn't be skivvying
you shouldn't be skivvying
they shouldn't be skivvying	I shouldn't have skivvied
you shouldn't have skivvied
he shouldn't have skivvied
we shouldn't have skivvied
you shouldn't have skivvied
they shouldn't have skivvied	I shouldn't have been skivvying
you shouldn't have been skivvying
he shouldn't have been skivvying
we shouldn't have been skivvying
you shouldn't have been skivvying
they shouldn't have been skivvying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I skivvy?
should you skivvy?
should he skivvy?
should we skivvy?
should you skivvy?
should they skivvy? 	should I be skivvying?
should you be skivvying?
should he be skivvying?
should we be skivvying?
should you be skivvying?
should they be skivvying? 	should I have skivvied?
should you have skivvied?
should he have skivvied?
should we have skivvied?
should you have skivvied?
should they have skivvied? 	should I have been skivvying?
should you have been skivvying?
should he have been skivvying?
should we have been skivvying?
should you have been skivvying?
should they have been skivvying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I skivvy?
shouldn't you skivvy?
shouldn't he skivvy?
shouldn't we skivvy?
shouldn't you skivvy?
shouldn't they skivvy? 	shouldn't I be skivvying?
shouldn't you be skivvying?
shouldn't he be skivvying?
shouldn't we be skivvying?
shouldn't you be skivvying?
shouldn't they be skivvying? 	shouldn't I have skivvied?
shouldn't you have skivvied?
shouldn't he have skivvied?
shouldn't we have skivvied?
shouldn't you have skivvied?
shouldn't they have skivvied? 	shouldn't I have been skivvying?
shouldn't you have been skivvying?
shouldn't he have been skivvying?
shouldn't we have been skivvying?
shouldn't you have been skivvying?
shouldn't they have been skivvying?