should silk
Regular verb: silk - silked- silked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd silk
you'd silk
he'd silk
we'd silk
you'd silk
they'd silk 	I'd be silking
you'd be silking
he'd be silking
we'd be silking
you'd be silking
they'd be silking	I should've silked
you should've silked
he should've silked
we should've silked
you should've silked
they should've silked	I should've been silking
you should've been silking
he should've been silking
we should've been silking
you should've been silking
they should've been silking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't silk
you shouldn't silk
he shouldn't silk
we shouldn't silk
you shouldn't silk
they shouldn't silk 	I shouldn't be silking
you shouldn't be silking
he shouldn't be silking
we shouldn't be silking
you shouldn't be silking
they shouldn't be silking	I shouldn't have silked
you shouldn't have silked
he shouldn't have silked
we shouldn't have silked
you shouldn't have silked
they shouldn't have silked	I shouldn't have been silking
you shouldn't have been silking
he shouldn't have been silking
we shouldn't have been silking
you shouldn't have been silking
they shouldn't have been silking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I silk?
should you silk?
should he silk?
should we silk?
should you silk?
should they silk? 	should I be silking?
should you be silking?
should he be silking?
should we be silking?
should you be silking?
should they be silking? 	should I have silked?
should you have silked?
should he have silked?
should we have silked?
should you have silked?
should they have silked? 	should I have been silking?
should you have been silking?
should he have been silking?
should we have been silking?
should you have been silking?
should they have been silking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I silk?
shouldn't you silk?
shouldn't he silk?
shouldn't we silk?
shouldn't you silk?
shouldn't they silk? 	shouldn't I be silking?
shouldn't you be silking?
shouldn't he be silking?
shouldn't we be silking?
shouldn't you be silking?
shouldn't they be silking? 	shouldn't I have silked?
shouldn't you have silked?
shouldn't he have silked?
shouldn't we have silked?
shouldn't you have silked?
shouldn't they have silked? 	shouldn't I have been silking?
shouldn't you have been silking?
shouldn't he have been silking?
shouldn't we have been silking?
shouldn't you have been silking?
shouldn't they have been silking?