can defoliate
Regular verb: defoliate - defoliated- defoliated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can defoliate
you can defoliate
he can defoliate
we can defoliate
you can defoliate
they can defoliate 	I can be defoliating
you can be defoliating
he can be defoliating
we can be defoliating
you can be defoliating
they can be defoliating	I can have defoliated
you can have defoliated
he can have defoliated
we can have defoliated
you can have defoliated
they can have defoliated	I can have been defoliating
you can have been defoliating
he can have been defoliating
we can have been defoliating
you can have been defoliating
they can have been defoliating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot defoliate
you cannot defoliate
he cannot defoliate
we cannot defoliate
you cannot defoliate
they cannot defoliate 	I cannot be defoliating
you cannot be defoliating
he cannot be defoliating
we cannot be defoliating
you cannot be defoliating
they cannot be defoliating	I cannot have defoliated
you cannot have defoliated
he cannot have defoliated
we cannot have defoliated
you cannot have defoliated
they cannot have defoliated	I cannot have been defoliating
you cannot have been defoliating
he cannot have been defoliating
we cannot have been defoliating
you cannot have been defoliating
they cannot have been defoliating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I defoliate?
can you defoliate?
can he defoliate?
can we defoliate?
can you defoliate?
can they defoliate? 	can I be defoliating?
can you be defoliating?
can he be defoliating?
can we be defoliating?
can you be defoliating?
can they be defoliating? 	can I have defoliated?
can you have defoliated?
can he have defoliated?
can we have defoliated?
can you have defoliated?
can they have defoliated? 	can I have been defoliating?
can you have been defoliating?
can he have been defoliating?
can we have been defoliating?
can you have been defoliating?
can they have been defoliating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not defoliate?
can you not defoliate?
can he not defoliate?
can we not defoliate?
can you not defoliate?
can they not defoliate? 	can I not be defoliating?
can you not be defoliating?
can he not be defoliating?
can we not be defoliating?
can you not be defoliating?
can they not be defoliating? 	can I not have defoliated?
can you not have defoliated?
can he not have defoliated?
can we not have defoliated?
can you not have defoliated?
can they not have defoliated? 	can I not have been defoliating?
can you not have been defoliating?
can he not have been defoliating?
can we not have been defoliating?
can you not have been defoliating?
can they not have been defoliating?