English verb conjugation
CAN PREFERTILIZE

Regular verb: prefertilize - prefertilized - prefertilized

Affirmation

Simple form	V-ing form
I can prefertilize you can prefertilize she can prefertilize we can prefertilize you can prefertilize they can prefertilize	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	V-ing 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	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	V-ing form
I cannot prefertilize you cannot prefertilize she cannot prefertilize we cannot prefertilize you cannot prefertilize they cannot prefertilize	I cannot be prefertilizing you cannot be prefertilizing she cannot be prefertilizing we cannot be prefertilizing you cannot be prefertilizing they cannot be prefertilizing
Perfect	V-ing perfect
I cannot have prefertilized you cannot have prefertilized she cannot have prefertilized we cannot have prefertilized you cannot have prefertilized they cannot have prefertilized	I cannot have been prefertilizing you cannot have been prefertilizing she cannot have been prefertilizing we cannot have been prefertilizing you cannot have been prefertilizing they cannot have been prefertilizing

Interrogative form

Simple form	V-ing form
can I prefertilize? can you prefertilize? can she prefertilize? can we prefertilize? can you prefertilize? can they prefertilize?	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	V-ing 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?	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	V-ing form
can I not prefertilize? can you not prefertilize? can she not prefertilize? can we not prefertilize? can you not prefertilize? can they not prefertilize?	can I not be prefertilizing? can you not be prefertilizing? can she not be prefertilizing? can we not be prefertilizing? can you not be prefertilizing? can they not be prefertilizing?
Perfect	V-ing perfect
can I not have prefertilized? can you not have prefertilized? can she not have prefertilized? can we not have prefertilized? can you not have prefertilized? can they not have prefertilized?	can I not have been prefertilizing? can you not have been prefertilizing? can she not have been prefertilizing? can we not have been prefertilizing? can you not have been prefertilizing? can they not have been prefertilizing?