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