English verb conjugation
CAN DEVELOP

Regular verb: develop - developed - developed

Affirmation

Simple form	V-ing form
I can develop you can develop she can develop we can develop you can develop they can develop	I can be developing you can be developing she can be developing we can be developing you can be developing they can be developing
Perfect	V-ing perfect
I can have developed you can have developed she can have developed we can have developed you can have developed they can have developed	I can have been developing you can have been developing she can have been developing we can have been developing you can have been developing they can have been developing

Negation

Simple form	V-ing form
I cannot develop you cannot develop she cannot develop we cannot develop you cannot develop they cannot develop	I cannot be developing you cannot be developing she cannot be developing we cannot be developing you cannot be developing they cannot be developing
Perfect	V-ing perfect
I cannot have developed you cannot have developed she cannot have developed we cannot have developed you cannot have developed they cannot have developed	I cannot have been developing you cannot have been developing she cannot have been developing we cannot have been developing you cannot have been developing they cannot have been developing

Interrogative form

Simple form	V-ing form
can I develop? can you develop? can she develop? can we develop? can you develop? can they develop?	can I be developing? can you be developing? can she be developing? can we be developing? can you be developing? can they be developing?
Perfect	V-ing perfect
can I have developed? can you have developed? can she have developed? can we have developed? can you have developed? can they have developed?	can I have been developing? can you have been developing? can she have been developing? can we have been developing? can you have been developing? can they have been developing?

Interro-negative form

Simple form	V-ing form
can I not develop? can you not develop? can she not develop? can we not develop? can you not develop? can they not develop?	can I not be developing? can you not be developing? can she not be developing? can we not be developing? can you not be developing? can they not be developing?
Perfect	V-ing perfect
can I not have developed? can you not have developed? can she not have developed? can we not have developed? can you not have developed? can they not have developed?	can I not have been developing? can you not have been developing? can she not have been developing? can we not have been developing? can you not have been developing? can they not have been developing?