can decalcify
Regular verb: decalcify - decalcified- decalcified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can decalcify
you can decalcify
she can decalcify
we can decalcify
you can decalcify
they can decalcify 	I can be decalcifying
you can be decalcifying
she can be decalcifying
we can be decalcifying
you can be decalcifying
they can be decalcifying	I can have decalcified
you can have decalcified
she can have decalcified
we can have decalcified
you can have decalcified
they can have decalcified	I can have been decalcifying
you can have been decalcifying
she can have been decalcifying
we can have been decalcifying
you can have been decalcifying
they can have been decalcifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't decalcify
you can't decalcify
she can't decalcify
we can't decalcify
you can't decalcify
they can't decalcify 	I can't be decalcifying
you can't be decalcifying
she can't be decalcifying
we can't be decalcifying
you can't be decalcifying
they can't be decalcifying	I can't have decalcified
you can't have decalcified
she can't have decalcified
we can't have decalcified
you can't have decalcified
they can't have decalcified	I can't have been decalcifying
you can't have been decalcifying
she can't have been decalcifying
we can't have been decalcifying
you can't have been decalcifying
they can't have been decalcifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I decalcify?
can you decalcify?
can she decalcify?
can we decalcify?
can you decalcify?
can they decalcify? 	can I be decalcifying?
can you be decalcifying?
can she be decalcifying?
can we be decalcifying?
can you be decalcifying?
can they be decalcifying? 	can I have decalcified?
can you have decalcified?
can she have decalcified?
can we have decalcified?
can you have decalcified?
can they have decalcified? 	can I have been decalcifying?
can you have been decalcifying?
can she have been decalcifying?
can we have been decalcifying?
can you have been decalcifying?
can they have been decalcifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I decalcify?
can't you decalcify?
can't she decalcify?
can't we decalcify?
can't you decalcify?
can't they decalcify? 	can't I be decalcifying?
can't you be decalcifying?
can't she be decalcifying?
can't we be decalcifying?
can't you be decalcifying?
can't they be decalcifying? 	can't I have decalcified?
can't you have decalcified?
can't she have decalcified?
can't we have decalcified?
can't you have decalcified?
can't they have decalcified? 	can't I have been decalcifying?
can't you have been decalcifying?
can't she have been decalcifying?
can't we have been decalcifying?
can't you have been decalcifying?
can't they have been decalcifying?