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 can't prefertilize
you can't prefertilize
she can't prefertilize
we can't prefertilize
you can't prefertilize
they can't prefertilize 	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	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	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 	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't I prefertilize?
can't you prefertilize?
can't she prefertilize?
can't we prefertilize?
can't you prefertilize?
can't they prefertilize? 	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? 	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? 	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?