can vulcanize
Regular verb: vulcanize - vulcanized- vulcanized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can vulcanize
you can vulcanize
she can vulcanize
we can vulcanize
you can vulcanize
they can vulcanize 	I can be vulcanizing
you can be vulcanizing
she can be vulcanizing
we can be vulcanizing
you can be vulcanizing
they can be vulcanizing	I can have vulcanized
you can have vulcanized
she can have vulcanized
we can have vulcanized
you can have vulcanized
they can have vulcanized	I can have been vulcanizing
you can have been vulcanizing
she can have been vulcanizing
we can have been vulcanizing
you can have been vulcanizing
they can have been vulcanizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't vulcanize
you can't vulcanize
she can't vulcanize
we can't vulcanize
you can't vulcanize
they can't vulcanize 	I can't be vulcanizing
you can't be vulcanizing
she can't be vulcanizing
we can't be vulcanizing
you can't be vulcanizing
they can't be vulcanizing	I can't have vulcanized
you can't have vulcanized
she can't have vulcanized
we can't have vulcanized
you can't have vulcanized
they can't have vulcanized	I can't have been vulcanizing
you can't have been vulcanizing
she can't have been vulcanizing
we can't have been vulcanizing
you can't have been vulcanizing
they can't have been vulcanizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I vulcanize?
can you vulcanize?
can she vulcanize?
can we vulcanize?
can you vulcanize?
can they vulcanize? 	can I be vulcanizing?
can you be vulcanizing?
can she be vulcanizing?
can we be vulcanizing?
can you be vulcanizing?
can they be vulcanizing? 	can I have vulcanized?
can you have vulcanized?
can she have vulcanized?
can we have vulcanized?
can you have vulcanized?
can they have vulcanized? 	can I have been vulcanizing?
can you have been vulcanizing?
can she have been vulcanizing?
can we have been vulcanizing?
can you have been vulcanizing?
can they have been vulcanizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I vulcanize?
can't you vulcanize?
can't she vulcanize?
can't we vulcanize?
can't you vulcanize?
can't they vulcanize? 	can't I be vulcanizing?
can't you be vulcanizing?
can't she be vulcanizing?
can't we be vulcanizing?
can't you be vulcanizing?
can't they be vulcanizing? 	can't I have vulcanized?
can't you have vulcanized?
can't she have vulcanized?
can't we have vulcanized?
can't you have vulcanized?
can't they have vulcanized? 	can't I have been vulcanizing?
can't you have been vulcanizing?
can't she have been vulcanizing?
can't we have been vulcanizing?
can't you have been vulcanizing?
can't they have been vulcanizing?