should peck
Regular verb: peck - pecked- pecked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should peck
you should peck
he should peck
we should peck
you should peck
they should peck 	I should be pecking
you should be pecking
he should be pecking
we should be pecking
you should be pecking
they should be pecking	I should have pecked
you should have pecked
he should have pecked
we should have pecked
you should have pecked
they should have pecked	I should have been pecking
you should have been pecking
he should have been pecking
we should have been pecking
you should have been pecking
they should have been pecking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not peck
you should not peck
he should not peck
we should not peck
you should not peck
they should not peck 	I should not be pecking
you should not be pecking
he should not be pecking
we should not be pecking
you should not be pecking
they should not be pecking	I should not have pecked
you should not have pecked
he should not have pecked
we should not have pecked
you should not have pecked
they should not have pecked	I should not have been pecking
you should not have been pecking
he should not have been pecking
we should not have been pecking
you should not have been pecking
they should not have been pecking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I peck?
should you peck?
should he peck?
should we peck?
should you peck?
should they peck? 	should I be pecking?
should you be pecking?
should he be pecking?
should we be pecking?
should you be pecking?
should they be pecking? 	should I have pecked?
should you have pecked?
should he have pecked?
should we have pecked?
should you have pecked?
should they have pecked? 	should I have been pecking?
should you have been pecking?
should he have been pecking?
should we have been pecking?
should you have been pecking?
should they have been pecking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not peck?
should you not peck?
should he not peck?
should we not peck?
should you not peck?
should they not peck? 	should I not be pecking?
should you not be pecking?
should he not be pecking?
should we not be pecking?
should you not be pecking?
should they not be pecking? 	should I not have pecked?
should you not have pecked?
should he not have pecked?
should we not have pecked?
should you not have pecked?
should they not have pecked? 	should I not have been pecking?
should you not have been pecking?
should he not have been pecking?
should we not have been pecking?
should you not have been pecking?
should they not have been pecking?