can corrode
Regular verb: corrode - corroded- corroded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can corrode
you can corrode
she can corrode
we can corrode
you can corrode
they can corrode 	I can be corroding
you can be corroding
she can be corroding
we can be corroding
you can be corroding
they can be corroding	I can have corroded
you can have corroded
she 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
she 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 cannot corrode
you cannot corrode
she cannot corrode
we cannot corrode
you cannot corrode
they cannot corrode 	I cannot be corroding
you cannot be corroding
she cannot be corroding
we cannot be corroding
you cannot be corroding
they cannot be corroding	I cannot have corroded
you cannot have corroded
she cannot have corroded
we cannot have corroded
you cannot have corroded
they cannot have corroded	I cannot have been corroding
you cannot have been corroding
she cannot have been corroding
we cannot have been corroding
you cannot have been corroding
they cannot have been corroding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I corrode?
can you corrode?
can she corrode?
can we corrode?
can you corrode?
can they corrode? 	can I be corroding?
can you be corroding?
can she be corroding?
can we be corroding?
can you be corroding?
can they be corroding? 	can I have corroded?
can you have corroded?
can she 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 she 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 I not corrode?
can you not corrode?
can she not corrode?
can we not corrode?
can you not corrode?
can they not corrode? 	can I not be corroding?
can you not be corroding?
can she not be corroding?
can we not be corroding?
can you not be corroding?
can they not be corroding? 	can I not have corroded?
can you not have corroded?
can she not have corroded?
can we not have corroded?
can you not have corroded?
can they not have corroded? 	can I not have been corroding?
can you not have been corroding?
can she not have been corroding?
can we not have been corroding?
can you not have been corroding?
can they not have been corroding?