can bulk
Regular verb: bulk - bulked- bulked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can bulk
you can bulk
he can bulk
we can bulk
you can bulk
they can bulk 	I can be bulking
you can be bulking
he can be bulking
we can be bulking
you can be bulking
they can be bulking	I can have bulked
you can have bulked
he can have bulked
we can have bulked
you can have bulked
they can have bulked	I can have been bulking
you can have been bulking
he can have been bulking
we can have been bulking
you can have been bulking
they can have been bulking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot bulk
you cannot bulk
he cannot bulk
we cannot bulk
you cannot bulk
they cannot bulk 	I cannot be bulking
you cannot be bulking
he cannot be bulking
we cannot be bulking
you cannot be bulking
they cannot be bulking	I cannot have bulked
you cannot have bulked
he cannot have bulked
we cannot have bulked
you cannot have bulked
they cannot have bulked	I cannot have been bulking
you cannot have been bulking
he cannot have been bulking
we cannot have been bulking
you cannot have been bulking
they cannot have been bulking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I bulk?
can you bulk?
can he bulk?
can we bulk?
can you bulk?
can they bulk? 	can I be bulking?
can you be bulking?
can he be bulking?
can we be bulking?
can you be bulking?
can they be bulking? 	can I have bulked?
can you have bulked?
can he have bulked?
can we have bulked?
can you have bulked?
can they have bulked? 	can I have been bulking?
can you have been bulking?
can he have been bulking?
can we have been bulking?
can you have been bulking?
can they have been bulking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not bulk?
can you not bulk?
can he not bulk?
can we not bulk?
can you not bulk?
can they not bulk? 	can I not be bulking?
can you not be bulking?
can he not be bulking?
can we not be bulking?
can you not be bulking?
can they not be bulking? 	can I not have bulked?
can you not have bulked?
can he not have bulked?
can we not have bulked?
can you not have bulked?
can they not have bulked? 	can I not have been bulking?
can you not have been bulking?
can he not have been bulking?
can we not have been bulking?
can you not have been bulking?
can they not have been bulking?