I can prefertilize you can prefertilize she can prefertilize we can prefertilize you can prefertilize they can prefertilize
V-ing form
I can be prefertilizing you can be prefertilizing she can be prefertilizing we can be prefertilizing you can be prefertilizing they can be prefertilizing
Perfect
I can have prefertilized you can have prefertilized she can have prefertilized we can have prefertilized you can have prefertilized they can have prefertilized
V-ing perfect
I can have been prefertilizing you can have been prefertilizing she can have been prefertilizing we can have been prefertilizing you can have been prefertilizing they can have been prefertilizing
Negation
Simple form
I can't prefertilize you can't prefertilize she can't prefertilize we can't prefertilize you can't prefertilize they can't prefertilize
V-ing form
I can't be prefertilizing you can't be prefertilizing she can't be prefertilizing we can't be prefertilizing you can't be prefertilizing they can't be prefertilizing
Perfect
I can't have prefertilized you can't have prefertilized she can't have prefertilized we can't have prefertilized you can't have prefertilized they can't have prefertilized
V-ing perfect
I can't have been prefertilizing you can't have been prefertilizing she can't have been prefertilizing we can't have been prefertilizing you can't have been prefertilizing they can't have been prefertilizing
Interrogative form
Simple form
can I prefertilize? can you prefertilize? can she prefertilize? can we prefertilize? can you prefertilize? can they prefertilize?
V-ing form
can I be prefertilizing? can you be prefertilizing? can she be prefertilizing? can we be prefertilizing? can you be prefertilizing? can they be prefertilizing?
Perfect
can I have prefertilized? can you have prefertilized? can she have prefertilized? can we have prefertilized? can you have prefertilized? can they have prefertilized?
V-ing perfect
can I have been prefertilizing? can you have been prefertilizing? can she have been prefertilizing? can we have been prefertilizing? can you have been prefertilizing? can they have been prefertilizing?
Interro-negative form
Simple form
can't I prefertilize? can't you prefertilize? can't she prefertilize? can't we prefertilize? can't you prefertilize? can't they prefertilize?
V-ing form
can't I be prefertilizing? can't you be prefertilizing? can't she be prefertilizing? can't we be prefertilizing? can't you be prefertilizing? can't they be prefertilizing?
Perfect
can't I have prefertilized? can't you have prefertilized? can't she have prefertilized? can't we have prefertilized? can't you have prefertilized? can't they have prefertilized?
V-ing perfect
can't I have been prefertilizing? can't you have been prefertilizing? can't she have been prefertilizing? can't we have been prefertilizing? can't you have been prefertilizing? can't they have been prefertilizing?