Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could vary. diversify you could vary. diversify he could vary. diversify we could vary. diversify you could vary. diversify they could vary. diversify
V-ing form
I could be vary. diversifying you could be vary. diversifying he could be vary. diversifying we could be vary. diversifying you could be vary. diversifying they could be vary. diversifying
Perfect
I could have vary. diversified you could have vary. diversified he could have vary. diversified we could have vary. diversified you could have vary. diversified they could have vary. diversified
V-ing perfect
I could have been vary. diversifying you could have been vary. diversifying he could have been vary. diversifying we could have been vary. diversifying you could have been vary. diversifying they could have been vary. diversifying
Negation
Simple form
I couldn't vary. diversify you couldn't vary. diversify he couldn't vary. diversify we couldn't vary. diversify you couldn't vary. diversify they couldn't vary. diversify
V-ing form
I couldn't be vary. diversifying you couldn't be vary. diversifying he couldn't be vary. diversifying we couldn't be vary. diversifying you couldn't be vary. diversifying they couldn't be vary. diversifying
Perfect
I couldn't have vary. diversified you couldn't have vary. diversified he couldn't have vary. diversified we couldn't have vary. diversified you couldn't have vary. diversified they couldn't have vary. diversified
V-ing perfect
I couldn't have been vary. diversifying you couldn't have been vary. diversifying he couldn't have been vary. diversifying we couldn't have been vary. diversifying you couldn't have been vary. diversifying they couldn't have been vary. diversifying
Interrogative form
Simple form
could I vary. diversify? could you vary. diversify? could he vary. diversify? could we vary. diversify? could you vary. diversify? could they vary. diversify?
V-ing form
could I be vary. diversifying? could you be vary. diversifying? could he be vary. diversifying? could we be vary. diversifying? could you be vary. diversifying? could they be vary. diversifying?
Perfect
could I have vary. diversified? could you have vary. diversified? could he have vary. diversified? could we have vary. diversified? could you have vary. diversified? could they have vary. diversified?
V-ing perfect
could I have been vary. diversifying? could you have been vary. diversifying? could he have been vary. diversifying? could we have been vary. diversifying? could you have been vary. diversifying? could they have been vary. diversifying?
Interro-negative form
Simple form
couldn't I vary. diversify? couldn't you vary. diversify? couldn't he vary. diversify? couldn't we vary. diversify? couldn't you vary. diversify? couldn't they vary. diversify?
V-ing form
couldn't I be vary. diversifying? couldn't you be vary. diversifying? couldn't he be vary. diversifying? couldn't we be vary. diversifying? couldn't you be vary. diversifying? couldn't they be vary. diversifying?
Perfect
couldn't I have vary. diversified? couldn't you have vary. diversified? couldn't he have vary. diversified? couldn't we have vary. diversified? couldn't you have vary. diversified? couldn't they have vary. diversified?
V-ing perfect
couldn't I have been vary. diversifying? couldn't you have been vary. diversifying? couldn't he have been vary. diversifying? couldn't we have been vary. diversifying? couldn't you have been vary. diversifying? couldn't they have been vary. diversifying?