can iterate
Regular verb: iterate - iterated- iterated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can iterate
you can iterate
she can iterate
we can iterate
you can iterate
they can iterate 	I can be iterating
you can be iterating
she can be iterating
we can be iterating
you can be iterating
they can be iterating	I can have iterated
you can have iterated
she can have iterated
we can have iterated
you can have iterated
they can have iterated	I can have been iterating
you can have been iterating
she can have been iterating
we can have been iterating
you can have been iterating
they can have been iterating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot iterate
you cannot iterate
she cannot iterate
we cannot iterate
you cannot iterate
they cannot iterate 	I cannot be iterating
you cannot be iterating
she cannot be iterating
we cannot be iterating
you cannot be iterating
they cannot be iterating	I cannot have iterated
you cannot have iterated
she cannot have iterated
we cannot have iterated
you cannot have iterated
they cannot have iterated	I cannot have been iterating
you cannot have been iterating
she cannot have been iterating
we cannot have been iterating
you cannot have been iterating
they cannot have been iterating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I iterate?
can you iterate?
can she iterate?
can we iterate?
can you iterate?
can they iterate? 	can I be iterating?
can you be iterating?
can she be iterating?
can we be iterating?
can you be iterating?
can they be iterating? 	can I have iterated?
can you have iterated?
can she have iterated?
can we have iterated?
can you have iterated?
can they have iterated? 	can I have been iterating?
can you have been iterating?
can she have been iterating?
can we have been iterating?
can you have been iterating?
can they have been iterating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not iterate?
can you not iterate?
can she not iterate?
can we not iterate?
can you not iterate?
can they not iterate? 	can I not be iterating?
can you not be iterating?
can she not be iterating?
can we not be iterating?
can you not be iterating?
can they not be iterating? 	can I not have iterated?
can you not have iterated?
can she not have iterated?
can we not have iterated?
can you not have iterated?
can they not have iterated? 	can I not have been iterating?
can you not have been iterating?
can she not have been iterating?
can we not have been iterating?
can you not have been iterating?
can they not have been iterating?