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