can prefertilize
Regular verb: prefertilize - prefertilized- prefertilized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?