I can cultivate you can cultivate she can cultivate we can cultivate you can cultivate they can cultivate
V-ing form
I can be cultivating you can be cultivating she can be cultivating we can be cultivating you can be cultivating they can be cultivating
Perfect
I can have cultivated you can have cultivated she can have cultivated we can have cultivated you can have cultivated they can have cultivated
V-ing perfect
I can have been cultivating you can have been cultivating she can have been cultivating we can have been cultivating you can have been cultivating they can have been cultivating
Negation
Simple form
I can't cultivate you can't cultivate she can't cultivate we can't cultivate you can't cultivate they can't cultivate
V-ing form
I can't be cultivating you can't be cultivating she can't be cultivating we can't be cultivating you can't be cultivating they can't be cultivating
Perfect
I can't have cultivated you can't have cultivated she can't have cultivated we can't have cultivated you can't have cultivated they can't have cultivated
V-ing perfect
I can't have been cultivating you can't have been cultivating she can't have been cultivating we can't have been cultivating you can't have been cultivating they can't have been cultivating
Interrogative form
Simple form
can I cultivate? can you cultivate? can she cultivate? can we cultivate? can you cultivate? can they cultivate?
V-ing form
can I be cultivating? can you be cultivating? can she be cultivating? can we be cultivating? can you be cultivating? can they be cultivating?
Perfect
can I have cultivated? can you have cultivated? can she have cultivated? can we have cultivated? can you have cultivated? can they have cultivated?
V-ing perfect
can I have been cultivating? can you have been cultivating? can she have been cultivating? can we have been cultivating? can you have been cultivating? can they have been cultivating?
Interro-negative form
Simple form
can't I cultivate? can't you cultivate? can't she cultivate? can't we cultivate? can't you cultivate? can't they cultivate?
V-ing form
can't I be cultivating? can't you be cultivating? can't she be cultivating? can't we be cultivating? can't you be cultivating? can't they be cultivating?
Perfect
can't I have cultivated? can't you have cultivated? can't she have cultivated? can't we have cultivated? can't you have cultivated? can't they have cultivated?
V-ing perfect
can't I have been cultivating? can't you have been cultivating? can't she have been cultivating? can't we have been cultivating? can't you have been cultivating? can't they have been cultivating?