should flat
Regular verb: flat - flated- flated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd flat
you'd flat
he'd flat
we'd flat
you'd flat
they'd flat 	I'd be flating
you'd be flating
he'd be flating
we'd be flating
you'd be flating
they'd be flating	I should've flated
you should've flated
he should've flated
we should've flated
you should've flated
they should've flated	I should've been flating
you should've been flating
he should've been flating
we should've been flating
you should've been flating
they should've been flating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't flat
you shouldn't flat
he shouldn't flat
we shouldn't flat
you shouldn't flat
they shouldn't flat 	I shouldn't be flating
you shouldn't be flating
he shouldn't be flating
we shouldn't be flating
you shouldn't be flating
they shouldn't be flating	I shouldn't have flated
you shouldn't have flated
he shouldn't have flated
we shouldn't have flated
you shouldn't have flated
they shouldn't have flated	I shouldn't have been flating
you shouldn't have been flating
he shouldn't have been flating
we shouldn't have been flating
you shouldn't have been flating
they shouldn't have been flating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I flat?
should you flat?
should he flat?
should we flat?
should you flat?
should they flat? 	should I be flating?
should you be flating?
should he be flating?
should we be flating?
should you be flating?
should they be flating? 	should I have flated?
should you have flated?
should he have flated?
should we have flated?
should you have flated?
should they have flated? 	should I have been flating?
should you have been flating?
should he have been flating?
should we have been flating?
should you have been flating?
should they have been flating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I flat?
shouldn't you flat?
shouldn't he flat?
shouldn't we flat?
shouldn't you flat?
shouldn't they flat? 	shouldn't I be flating?
shouldn't you be flating?
shouldn't he be flating?
shouldn't we be flating?
shouldn't you be flating?
shouldn't they be flating? 	shouldn't I have flated?
shouldn't you have flated?
shouldn't he have flated?
shouldn't we have flated?
shouldn't you have flated?
shouldn't they have flated? 	shouldn't I have been flating?
shouldn't you have been flating?
shouldn't he have been flating?
shouldn't we have been flating?
shouldn't you have been flating?
shouldn't they have been flating?