English verb conjugation
CAN DECALCIFY

Regular verb: decalcify - decalcified - decalcified

Affirmation

Simple form	V-ing form
I can decalcify you can decalcify he can decalcify we can decalcify you can decalcify they can decalcify	I can be decalcifying you can be decalcifying he 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 he 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 he 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 he 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 he 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 he 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 he 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 he decalcify? can we decalcify? can you decalcify? can they decalcify?	can I be decalcifying? can you be decalcifying? can he 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 he 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 he 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 he 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 he 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 he 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 he have been decalcifying? can't we have been decalcifying? can't you have been decalcifying? can't they have been decalcifying?