should varnish
Regular verb: varnish - varnished- varnished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd varnish
you'd varnish
he'd varnish
we'd varnish
you'd varnish
they'd varnish 	I'd be varnishing
you'd be varnishing
he'd be varnishing
we'd be varnishing
you'd be varnishing
they'd be varnishing	I should've varnished
you should've varnished
he should've varnished
we should've varnished
you should've varnished
they should've varnished	I should've been varnishing
you should've been varnishing
he should've been varnishing
we should've been varnishing
you should've been varnishing
they should've been varnishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't varnish
you shouldn't varnish
he shouldn't varnish
we shouldn't varnish
you shouldn't varnish
they shouldn't varnish 	I shouldn't be varnishing
you shouldn't be varnishing
he shouldn't be varnishing
we shouldn't be varnishing
you shouldn't be varnishing
they shouldn't be varnishing	I shouldn't have varnished
you shouldn't have varnished
he shouldn't have varnished
we shouldn't have varnished
you shouldn't have varnished
they shouldn't have varnished	I shouldn't have been varnishing
you shouldn't have been varnishing
he shouldn't have been varnishing
we shouldn't have been varnishing
you shouldn't have been varnishing
they shouldn't have been varnishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I varnish?
should you varnish?
should he varnish?
should we varnish?
should you varnish?
should they varnish? 	should I be varnishing?
should you be varnishing?
should he be varnishing?
should we be varnishing?
should you be varnishing?
should they be varnishing? 	should I have varnished?
should you have varnished?
should he have varnished?
should we have varnished?
should you have varnished?
should they have varnished? 	should I have been varnishing?
should you have been varnishing?
should he have been varnishing?
should we have been varnishing?
should you have been varnishing?
should they have been varnishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I varnish?
shouldn't you varnish?
shouldn't he varnish?
shouldn't we varnish?
shouldn't you varnish?
shouldn't they varnish? 	shouldn't I be varnishing?
shouldn't you be varnishing?
shouldn't he be varnishing?
shouldn't we be varnishing?
shouldn't you be varnishing?
shouldn't they be varnishing? 	shouldn't I have varnished?
shouldn't you have varnished?
shouldn't he have varnished?
shouldn't we have varnished?
shouldn't you have varnished?
shouldn't they have varnished? 	shouldn't I have been varnishing?
shouldn't you have been varnishing?
shouldn't he have been varnishing?
shouldn't we have been varnishing?
shouldn't you have been varnishing?
shouldn't they have been varnishing?