can pyramid
Regular verb: pyramid - pyramided- pyramided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pyramid
you can pyramid
he can pyramid
we can pyramid
you can pyramid
they can pyramid 	I can be pyramiding
you can be pyramiding
he can be pyramiding
we can be pyramiding
you can be pyramiding
they can be pyramiding	I can have pyramided
you can have pyramided
he can have pyramided
we can have pyramided
you can have pyramided
they can have pyramided	I can have been pyramiding
you can have been pyramiding
he can have been pyramiding
we can have been pyramiding
you can have been pyramiding
they can have been pyramiding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot pyramid
you cannot pyramid
he cannot pyramid
we cannot pyramid
you cannot pyramid
they cannot pyramid 	I cannot be pyramiding
you cannot be pyramiding
he cannot be pyramiding
we cannot be pyramiding
you cannot be pyramiding
they cannot be pyramiding	I cannot have pyramided
you cannot have pyramided
he cannot have pyramided
we cannot have pyramided
you cannot have pyramided
they cannot have pyramided	I cannot have been pyramiding
you cannot have been pyramiding
he cannot have been pyramiding
we cannot have been pyramiding
you cannot have been pyramiding
they cannot have been pyramiding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pyramid?
can you pyramid?
can he pyramid?
can we pyramid?
can you pyramid?
can they pyramid? 	can I be pyramiding?
can you be pyramiding?
can he be pyramiding?
can we be pyramiding?
can you be pyramiding?
can they be pyramiding? 	can I have pyramided?
can you have pyramided?
can he have pyramided?
can we have pyramided?
can you have pyramided?
can they have pyramided? 	can I have been pyramiding?
can you have been pyramiding?
can he have been pyramiding?
can we have been pyramiding?
can you have been pyramiding?
can they have been pyramiding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not pyramid?
can you not pyramid?
can he not pyramid?
can we not pyramid?
can you not pyramid?
can they not pyramid? 	can I not be pyramiding?
can you not be pyramiding?
can he not be pyramiding?
can we not be pyramiding?
can you not be pyramiding?
can they not be pyramiding? 	can I not have pyramided?
can you not have pyramided?
can he not have pyramided?
can we not have pyramided?
can you not have pyramided?
can they not have pyramided? 	can I not have been pyramiding?
can you not have been pyramiding?
can he not have been pyramiding?
can we not have been pyramiding?
can you not have been pyramiding?
can they not have been pyramiding?