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