can memorize
Regular verb: memorize - memorized- memorized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can memorize
you can memorize
he can memorize
we can memorize
you can memorize
they can memorize 	I can be memorizing
you can be memorizing
he can be memorizing
we can be memorizing
you can be memorizing
they can be memorizing	I can have memorized
you can have memorized
he can have memorized
we can have memorized
you can have memorized
they can have memorized	I can have been memorizing
you can have been memorizing
he can have been memorizing
we can have been memorizing
you can have been memorizing
they can have been memorizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot memorize
you cannot memorize
he cannot memorize
we cannot memorize
you cannot memorize
they cannot memorize 	I cannot be memorizing
you cannot be memorizing
he cannot be memorizing
we cannot be memorizing
you cannot be memorizing
they cannot be memorizing	I cannot have memorized
you cannot have memorized
he cannot have memorized
we cannot have memorized
you cannot have memorized
they cannot have memorized	I cannot have been memorizing
you cannot have been memorizing
he cannot have been memorizing
we cannot have been memorizing
you cannot have been memorizing
they cannot have been memorizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I memorize?
can you memorize?
can he memorize?
can we memorize?
can you memorize?
can they memorize? 	can I be memorizing?
can you be memorizing?
can he be memorizing?
can we be memorizing?
can you be memorizing?
can they be memorizing? 	can I have memorized?
can you have memorized?
can he have memorized?
can we have memorized?
can you have memorized?
can they have memorized? 	can I have been memorizing?
can you have been memorizing?
can he have been memorizing?
can we have been memorizing?
can you have been memorizing?
can they have been memorizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not memorize?
can you not memorize?
can he not memorize?
can we not memorize?
can you not memorize?
can they not memorize? 	can I not be memorizing?
can you not be memorizing?
can he not be memorizing?
can we not be memorizing?
can you not be memorizing?
can they not be memorizing? 	can I not have memorized?
can you not have memorized?
can he not have memorized?
can we not have memorized?
can you not have memorized?
can they not have memorized? 	can I not have been memorizing?
can you not have been memorizing?
can he not have been memorizing?
can we not have been memorizing?
can you not have been memorizing?
can they not have been memorizing?