can peacock
Regular verb: peacock - peacocked- peacocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can peacock
you can peacock
he can peacock
we can peacock
you can peacock
they can peacock 	I can be peacocking
you can be peacocking
he can be peacocking
we can be peacocking
you can be peacocking
they can be peacocking	I can have peacocked
you can have peacocked
he can have peacocked
we can have peacocked
you can have peacocked
they can have peacocked	I can have been peacocking
you can have been peacocking
he can have been peacocking
we can have been peacocking
you can have been peacocking
they can have been peacocking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot peacock
you cannot peacock
he cannot peacock
we cannot peacock
you cannot peacock
they cannot peacock 	I cannot be peacocking
you cannot be peacocking
he cannot be peacocking
we cannot be peacocking
you cannot be peacocking
they cannot be peacocking	I cannot have peacocked
you cannot have peacocked
he cannot have peacocked
we cannot have peacocked
you cannot have peacocked
they cannot have peacocked	I cannot have been peacocking
you cannot have been peacocking
he cannot have been peacocking
we cannot have been peacocking
you cannot have been peacocking
they cannot have been peacocking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I peacock?
can you peacock?
can he peacock?
can we peacock?
can you peacock?
can they peacock? 	can I be peacocking?
can you be peacocking?
can he be peacocking?
can we be peacocking?
can you be peacocking?
can they be peacocking? 	can I have peacocked?
can you have peacocked?
can he have peacocked?
can we have peacocked?
can you have peacocked?
can they have peacocked? 	can I have been peacocking?
can you have been peacocking?
can he have been peacocking?
can we have been peacocking?
can you have been peacocking?
can they have been peacocking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not peacock?
can you not peacock?
can he not peacock?
can we not peacock?
can you not peacock?
can they not peacock? 	can I not be peacocking?
can you not be peacocking?
can he not be peacocking?
can we not be peacocking?
can you not be peacocking?
can they not be peacocking? 	can I not have peacocked?
can you not have peacocked?
can he not have peacocked?
can we not have peacocked?
can you not have peacocked?
can they not have peacocked? 	can I not have been peacocking?
can you not have been peacocking?
can he not have been peacocking?
can we not have been peacocking?
can you not have been peacocking?
can they not have been peacocking?