English verb conjugation
COULD DIVERSIFY

Regular verb: diversify - diversified - diversified

Affirmation

Simple form	V-ing form
I could diversify you could diversify he could diversify we could diversify you could diversify they could diversify	I could be diversifying you could be diversifying he could be diversifying we could be diversifying you could be diversifying they could be diversifying
Perfect	V-ing perfect
I could have diversified you could have diversified he could have diversified we could have diversified you could have diversified they could have diversified	I could have been diversifying you could have been diversifying he could have been diversifying we could have been diversifying you could have been diversifying they could have been diversifying

Negation

Simple form	V-ing form
I couldn't diversify you couldn't diversify he couldn't diversify we couldn't diversify you couldn't diversify they couldn't diversify	I couldn't be diversifying you couldn't be diversifying he couldn't be diversifying we couldn't be diversifying you couldn't be diversifying they couldn't be diversifying
Perfect	V-ing perfect
I couldn't have diversified you couldn't have diversified he couldn't have diversified we couldn't have diversified you couldn't have diversified they couldn't have diversified	I couldn't have been diversifying you couldn't have been diversifying he couldn't have been diversifying we couldn't have been diversifying you couldn't have been diversifying they couldn't have been diversifying

Interrogative form

Simple form	V-ing form
could I diversify? could you diversify? could he diversify? could we diversify? could you diversify? could they diversify?	could I be diversifying? could you be diversifying? could he be diversifying? could we be diversifying? could you be diversifying? could they be diversifying?
Perfect	V-ing perfect
could I have diversified? could you have diversified? could he have diversified? could we have diversified? could you have diversified? could they have diversified?	could I have been diversifying? could you have been diversifying? could he have been diversifying? could we have been diversifying? could you have been diversifying? could they have been diversifying?

Interro-negative form

Simple form	V-ing form
couldn't I diversify? couldn't you diversify? couldn't he diversify? couldn't we diversify? couldn't you diversify? couldn't they diversify?	couldn't I be diversifying? couldn't you be diversifying? couldn't he be diversifying? couldn't we be diversifying? couldn't you be diversifying? couldn't they be diversifying?
Perfect	V-ing perfect
couldn't I have diversified? couldn't you have diversified? couldn't he have diversified? couldn't we have diversified? couldn't you have diversified? couldn't they have diversified?	couldn't I have been diversifying? couldn't you have been diversifying? couldn't he have been diversifying? couldn't we have been diversifying? couldn't you have been diversifying? couldn't they have been diversifying?