I may decalcify you may decalcify she may decalcify we may decalcify you may decalcify they may decalcify
V-ing form
I may be decalcifying you may be decalcifying she may be decalcifying we may be decalcifying you may be decalcifying they may be decalcifying
Perfect
I may have decalcified you may have decalcified she may have decalcified we may have decalcified you may have decalcified they may have decalcified
V-ing perfect
I may have been decalcifying you may have been decalcifying she may have been decalcifying we may have been decalcifying you may have been decalcifying they may have been decalcifying
Negation
Simple form
I may not decalcify you may not decalcify she may not decalcify we may not decalcify you may not decalcify they may not decalcify
V-ing form
I may not be decalcifying you may not be decalcifying she may not be decalcifying we may not be decalcifying you may not be decalcifying they may not be decalcifying
Perfect
I may not have decalcified you may not have decalcified she may not have decalcified we may not have decalcified you may not have decalcified they may not have decalcified
V-ing perfect
I may not have been decalcifying you may not have been decalcifying she may not have been decalcifying we may not have been decalcifying you may not have been decalcifying they may not have been decalcifying
Interrogative form
Simple form
may I decalcify? may you decalcify? may she decalcify? may we decalcify? may you decalcify? may they decalcify?
V-ing form
may I be decalcifying? may you be decalcifying? may she be decalcifying? may we be decalcifying? may you be decalcifying? may they be decalcifying?
Perfect
may I have decalcified? may you have decalcified? may she have decalcified? may we have decalcified? may you have decalcified? may they have decalcified?
V-ing perfect
may I have been decalcifying? may you have been decalcifying? may she have been decalcifying? may we have been decalcifying? may you have been decalcifying? may they have been decalcifying?
Interro-negative form
Simple form
may I not decalcify? may you not decalcify? may she not decalcify? may we not decalcify? may you not decalcify? may they not decalcify?
V-ing form
may I not be decalcifying? may you not be decalcifying? may she not be decalcifying? may we not be decalcifying? may you not be decalcifying? may they not be decalcifying?
Perfect
may I not have decalcified? may you not have decalcified? may she not have decalcified? may we not have decalcified? may you not have decalcified? may they not have decalcified?
V-ing perfect
may I not have been decalcifying? may you not have been decalcifying? may she not have been decalcifying? may we not have been decalcifying? may you not have been decalcifying? may they not have been decalcifying?