can corrode
Regular verb: corrode - corroded- corroded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can corrode
you can corrode
he can corrode
we can corrode
you can corrode
they can corrode 	I can be corroding
you can be corroding
he can be corroding
we can be corroding
you can be corroding
they can be corroding	I can have corroded
you can have corroded
he can have corroded
we can have corroded
you can have corroded
they can have corroded	I can have been corroding
you can have been corroding
he can have been corroding
we can have been corroding
you can have been corroding
they can have been corroding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't corrode
you can't corrode
he can't corrode
we can't corrode
you can't corrode
they can't corrode 	I can't be corroding
you can't be corroding
he can't be corroding
we can't be corroding
you can't be corroding
they can't be corroding	I can't have corroded
you can't have corroded
he can't have corroded
we can't have corroded
you can't have corroded
they can't have corroded	I can't have been corroding
you can't have been corroding
he can't have been corroding
we can't have been corroding
you can't have been corroding
they can't have been corroding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I corrode?
can you corrode?
can he corrode?
can we corrode?
can you corrode?
can they corrode? 	can I be corroding?
can you be corroding?
can he be corroding?
can we be corroding?
can you be corroding?
can they be corroding? 	can I have corroded?
can you have corroded?
can he have corroded?
can we have corroded?
can you have corroded?
can they have corroded? 	can I have been corroding?
can you have been corroding?
can he have been corroding?
can we have been corroding?
can you have been corroding?
can they have been corroding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I corrode?
can't you corrode?
can't he corrode?
can't we corrode?
can't you corrode?
can't they corrode? 	can't I be corroding?
can't you be corroding?
can't he be corroding?
can't we be corroding?
can't you be corroding?
can't they be corroding? 	can't I have corroded?
can't you have corroded?
can't he have corroded?
can't we have corroded?
can't you have corroded?
can't they have corroded? 	can't I have been corroding?
can't you have been corroding?
can't he have been corroding?
can't we have been corroding?
can't you have been corroding?
can't they have been corroding?