should first-foot
Regular verb: first-foot - first-footed- first-footed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd first-foot
you'd first-foot
he'd first-foot
we'd first-foot
you'd first-foot
they'd first-foot 	I'd be first-footing
you'd be first-footing
he'd be first-footing
we'd be first-footing
you'd be first-footing
they'd be first-footing	I should've first-footed
you should've first-footed
he should've first-footed
we should've first-footed
you should've first-footed
they should've first-footed	I should've been first-footing
you should've been first-footing
he should've been first-footing
we should've been first-footing
you should've been first-footing
they should've been first-footing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't first-foot
you shouldn't first-foot
he shouldn't first-foot
we shouldn't first-foot
you shouldn't first-foot
they shouldn't first-foot 	I shouldn't be first-footing
you shouldn't be first-footing
he shouldn't be first-footing
we shouldn't be first-footing
you shouldn't be first-footing
they shouldn't be first-footing	I shouldn't have first-footed
you shouldn't have first-footed
he shouldn't have first-footed
we shouldn't have first-footed
you shouldn't have first-footed
they shouldn't have first-footed	I shouldn't have been first-footing
you shouldn't have been first-footing
he shouldn't have been first-footing
we shouldn't have been first-footing
you shouldn't have been first-footing
they shouldn't have been first-footing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I first-foot?
should you first-foot?
should he first-foot?
should we first-foot?
should you first-foot?
should they first-foot? 	should I be first-footing?
should you be first-footing?
should he be first-footing?
should we be first-footing?
should you be first-footing?
should they be first-footing? 	should I have first-footed?
should you have first-footed?
should he have first-footed?
should we have first-footed?
should you have first-footed?
should they have first-footed? 	should I have been first-footing?
should you have been first-footing?
should he have been first-footing?
should we have been first-footing?
should you have been first-footing?
should they have been first-footing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I first-foot?
shouldn't you first-foot?
shouldn't he first-foot?
shouldn't we first-foot?
shouldn't you first-foot?
shouldn't they first-foot? 	shouldn't I be first-footing?
shouldn't you be first-footing?
shouldn't he be first-footing?
shouldn't we be first-footing?
shouldn't you be first-footing?
shouldn't they be first-footing? 	shouldn't I have first-footed?
shouldn't you have first-footed?
shouldn't he have first-footed?
shouldn't we have first-footed?
shouldn't you have first-footed?
shouldn't they have first-footed? 	shouldn't I have been first-footing?
shouldn't you have been first-footing?
shouldn't he have been first-footing?
shouldn't we have been first-footing?
shouldn't you have been first-footing?
shouldn't they have been first-footing?