should cluck
Regular verb: cluck - clucked- clucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd cluck
you'd cluck
she'd cluck
we'd cluck
you'd cluck
they'd cluck 	I'd be clucking
you'd be clucking
she'd be clucking
we'd be clucking
you'd be clucking
they'd be clucking	I should've clucked
you should've clucked
she should've clucked
we should've clucked
you should've clucked
they should've clucked	I should've been clucking
you should've been clucking
she should've been clucking
we should've been clucking
you should've been clucking
they should've been clucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't cluck
you shouldn't cluck
she shouldn't cluck
we shouldn't cluck
you shouldn't cluck
they shouldn't cluck 	I shouldn't be clucking
you shouldn't be clucking
she shouldn't be clucking
we shouldn't be clucking
you shouldn't be clucking
they shouldn't be clucking	I shouldn't have clucked
you shouldn't have clucked
she shouldn't have clucked
we shouldn't have clucked
you shouldn't have clucked
they shouldn't have clucked	I shouldn't have been clucking
you shouldn't have been clucking
she shouldn't have been clucking
we shouldn't have been clucking
you shouldn't have been clucking
they shouldn't have been clucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I cluck?
should you cluck?
should she cluck?
should we cluck?
should you cluck?
should they cluck? 	should I be clucking?
should you be clucking?
should she be clucking?
should we be clucking?
should you be clucking?
should they be clucking? 	should I have clucked?
should you have clucked?
should she have clucked?
should we have clucked?
should you have clucked?
should they have clucked? 	should I have been clucking?
should you have been clucking?
should she have been clucking?
should we have been clucking?
should you have been clucking?
should they have been clucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I cluck?
shouldn't you cluck?
shouldn't she cluck?
shouldn't we cluck?
shouldn't you cluck?
shouldn't they cluck? 	shouldn't I be clucking?
shouldn't you be clucking?
shouldn't she be clucking?
shouldn't we be clucking?
shouldn't you be clucking?
shouldn't they be clucking? 	shouldn't I have clucked?
shouldn't you have clucked?
shouldn't she have clucked?
shouldn't we have clucked?
shouldn't you have clucked?
shouldn't they have clucked? 	shouldn't I have been clucking?
shouldn't you have been clucking?
shouldn't she have been clucking?
shouldn't we have been clucking?
shouldn't you have been clucking?
shouldn't they have been clucking?