can frank
Regular verb: frank - franked- franked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can frank
you can frank
he can frank
we can frank
you can frank
they can frank 	I can be franking
you can be franking
he can be franking
we can be franking
you can be franking
they can be franking	I can have franked
you can have franked
he can have franked
we can have franked
you can have franked
they can have franked	I can have been franking
you can have been franking
he can have been franking
we can have been franking
you can have been franking
they can have been franking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot frank
you cannot frank
he cannot frank
we cannot frank
you cannot frank
they cannot frank 	I cannot be franking
you cannot be franking
he cannot be franking
we cannot be franking
you cannot be franking
they cannot be franking	I cannot have franked
you cannot have franked
he cannot have franked
we cannot have franked
you cannot have franked
they cannot have franked	I cannot have been franking
you cannot have been franking
he cannot have been franking
we cannot have been franking
you cannot have been franking
they cannot have been franking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I frank?
can you frank?
can he frank?
can we frank?
can you frank?
can they frank? 	can I be franking?
can you be franking?
can he be franking?
can we be franking?
can you be franking?
can they be franking? 	can I have franked?
can you have franked?
can he have franked?
can we have franked?
can you have franked?
can they have franked? 	can I have been franking?
can you have been franking?
can he have been franking?
can we have been franking?
can you have been franking?
can they have been franking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not frank?
can you not frank?
can he not frank?
can we not frank?
can you not frank?
can they not frank? 	can I not be franking?
can you not be franking?
can he not be franking?
can we not be franking?
can you not be franking?
can they not be franking? 	can I not have franked?
can you not have franked?
can he not have franked?
can we not have franked?
can you not have franked?
can they not have franked? 	can I not have been franking?
can you not have been franking?
can he not have been franking?
can we not have been franking?
can you not have been franking?
can they not have been franking?