English verb conjugation
CAN OVERFERTILIZE

Regular verb: overfertilize - overfertilized - overfertilized

Affirmation

Simple form	V-ing form
I can overfertilize you can overfertilize he can overfertilize we can overfertilize you can overfertilize they can overfertilize	I can be overfertilizing you can be overfertilizing he can be overfertilizing we can be overfertilizing you can be overfertilizing they can be overfertilizing
Perfect	V-ing perfect
I can have overfertilized you can have overfertilized he can have overfertilized we can have overfertilized you can have overfertilized they can have overfertilized	I can have been overfertilizing you can have been overfertilizing he can have been overfertilizing we can have been overfertilizing you can have been overfertilizing they can have been overfertilizing

Negation

Simple form	V-ing form
I can't overfertilize you can't overfertilize he can't overfertilize we can't overfertilize you can't overfertilize they can't overfertilize	I can't be overfertilizing you can't be overfertilizing he can't be overfertilizing we can't be overfertilizing you can't be overfertilizing they can't be overfertilizing
Perfect	V-ing perfect
I can't have overfertilized you can't have overfertilized he can't have overfertilized we can't have overfertilized you can't have overfertilized they can't have overfertilized	I can't have been overfertilizing you can't have been overfertilizing he can't have been overfertilizing we can't have been overfertilizing you can't have been overfertilizing they can't have been overfertilizing

Interrogative form

Simple form	V-ing form
can I overfertilize? can you overfertilize? can he overfertilize? can we overfertilize? can you overfertilize? can they overfertilize?	can I be overfertilizing? can you be overfertilizing? can he be overfertilizing? can we be overfertilizing? can you be overfertilizing? can they be overfertilizing?
Perfect	V-ing perfect
can I have overfertilized? can you have overfertilized? can he have overfertilized? can we have overfertilized? can you have overfertilized? can they have overfertilized?	can I have been overfertilizing? can you have been overfertilizing? can he have been overfertilizing? can we have been overfertilizing? can you have been overfertilizing? can they have been overfertilizing?

Interro-negative form

Simple form	V-ing form
can't I overfertilize? can't you overfertilize? can't he overfertilize? can't we overfertilize? can't you overfertilize? can't they overfertilize?	can't I be overfertilizing? can't you be overfertilizing? can't he be overfertilizing? can't we be overfertilizing? can't you be overfertilizing? can't they be overfertilizing?
Perfect	V-ing perfect
can't I have overfertilized? can't you have overfertilized? can't he have overfertilized? can't we have overfertilized? can't you have overfertilized? can't they have overfertilized?	can't I have been overfertilizing? can't you have been overfertilizing? can't he have been overfertilizing? can't we have been overfertilizing? can't you have been overfertilizing? can't they have been overfertilizing?