can frequent
Regular verb: frequent - frequented- frequented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can frequent
you can frequent
she can frequent
we can frequent
you can frequent
they can frequent 	I can be frequenting
you can be frequenting
she can be frequenting
we can be frequenting
you can be frequenting
they can be frequenting	I can have frequented
you can have frequented
she can have frequented
we can have frequented
you can have frequented
they can have frequented	I can have been frequenting
you can have been frequenting
she can have been frequenting
we can have been frequenting
you can have been frequenting
they can have been frequenting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot frequent
you cannot frequent
she cannot frequent
we cannot frequent
you cannot frequent
they cannot frequent 	I cannot be frequenting
you cannot be frequenting
she cannot be frequenting
we cannot be frequenting
you cannot be frequenting
they cannot be frequenting	I cannot have frequented
you cannot have frequented
she cannot have frequented
we cannot have frequented
you cannot have frequented
they cannot have frequented	I cannot have been frequenting
you cannot have been frequenting
she cannot have been frequenting
we cannot have been frequenting
you cannot have been frequenting
they cannot have been frequenting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I frequent?
can you frequent?
can she frequent?
can we frequent?
can you frequent?
can they frequent? 	can I be frequenting?
can you be frequenting?
can she be frequenting?
can we be frequenting?
can you be frequenting?
can they be frequenting? 	can I have frequented?
can you have frequented?
can she have frequented?
can we have frequented?
can you have frequented?
can they have frequented? 	can I have been frequenting?
can you have been frequenting?
can she have been frequenting?
can we have been frequenting?
can you have been frequenting?
can they have been frequenting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not frequent?
can you not frequent?
can she not frequent?
can we not frequent?
can you not frequent?
can they not frequent? 	can I not be frequenting?
can you not be frequenting?
can she not be frequenting?
can we not be frequenting?
can you not be frequenting?
can they not be frequenting? 	can I not have frequented?
can you not have frequented?
can she not have frequented?
can we not have frequented?
can you not have frequented?
can they not have frequented? 	can I not have been frequenting?
can you not have been frequenting?
can she not have been frequenting?
can we not have been frequenting?
can you not have been frequenting?
can they not have been frequenting?