could codify
Regular verb: codify - codified- codified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could codify
you could codify
he could codify
we could codify
you could codify
they could codify 	I could be codifying
you could be codifying
he could be codifying
we could be codifying
you could be codifying
they could be codifying	I could have codified
you could have codified
he could have codified
we could have codified
you could have codified
they could have codified	I could have been codifying
you could have been codifying
he could have been codifying
we could have been codifying
you could have been codifying
they could have been codifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not codify
you could not codify
he could not codify
we could not codify
you could not codify
they could not codify 	I could not be codifying
you could not be codifying
he could not be codifying
we could not be codifying
you could not be codifying
they could not be codifying	I could not have codified
you could not have codified
he could not have codified
we could not have codified
you could not have codified
they could not have codified	I could not have been codifying
you could not have been codifying
he could not have been codifying
we could not have been codifying
you could not have been codifying
they could not have been codifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I codify?
could you codify?
could he codify?
could we codify?
could you codify?
could they codify? 	could I be codifying?
could you be codifying?
could he be codifying?
could we be codifying?
could you be codifying?
could they be codifying? 	could I have codified?
could you have codified?
could he have codified?
could we have codified?
could you have codified?
could they have codified? 	could I have been codifying?
could you have been codifying?
could he have been codifying?
could we have been codifying?
could you have been codifying?
could they have been codifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not codify?
could you not codify?
could he not codify?
could we not codify?
could you not codify?
could they not codify? 	could I not be codifying?
could you not be codifying?
could he not be codifying?
could we not be codifying?
could you not be codifying?
could they not be codifying? 	could I not have codified?
could you not have codified?
could he not have codified?
could we not have codified?
could you not have codified?
could they not have codified? 	could I not have been codifying?
could you not have been codifying?
could he not have been codifying?
could we not have been codifying?
could you not have been codifying?
could they not have been codifying?