English verb conjugation
CAN DECALCIFY

Regular verb: decalcify - decalcified - decalcified

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?