I may decalcify you may decalcify he may decalcify we may decalcify you may decalcify they may decalcify
V-ing form
I may be decalcifying you may be decalcifying he may be decalcifying we may be decalcifying you may be decalcifying they may be decalcifying
Perfect
I may have decalcified you may have decalcified he 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 he may have been decalcifying we may have been decalcifying you may have been decalcifying they may have been decalcifying
Negation
Simple form
I mayn't decalcify you mayn't decalcify he mayn't decalcify we mayn't decalcify you mayn't decalcify they mayn't decalcify
V-ing form
I mayn't be decalcifying you mayn't be decalcifying he mayn't be decalcifying we mayn't be decalcifying you mayn't be decalcifying they mayn't be decalcifying
Perfect
I mayn't have decalcified you mayn't have decalcified he mayn't have decalcified we mayn't have decalcified you mayn't have decalcified they mayn't have decalcified
V-ing perfect
I mayn't have been decalcifying you mayn't have been decalcifying he mayn't have been decalcifying we mayn't have been decalcifying you mayn't have been decalcifying they mayn't have been decalcifying
Interrogative form
Simple form
may I decalcify? may you decalcify? may he decalcify? may we decalcify? may you decalcify? may they decalcify?
V-ing form
may I be decalcifying? may you be decalcifying? may he be decalcifying? may we be decalcifying? may you be decalcifying? may they be decalcifying?
Perfect
may I have decalcified? may you have decalcified? may he 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 he have been decalcifying? may we have been decalcifying? may you have been decalcifying? may they have been decalcifying?
Interro-negative form
Simple form
mayn't I decalcify? mayn't you decalcify? mayn't he decalcify? mayn't we decalcify? mayn't you decalcify? mayn't they decalcify?
V-ing form
mayn't I be decalcifying? mayn't you be decalcifying? mayn't he be decalcifying? mayn't we be decalcifying? mayn't you be decalcifying? mayn't they be decalcifying?
Perfect
mayn't I have decalcified? mayn't you have decalcified? mayn't he have decalcified? mayn't we have decalcified? mayn't you have decalcified? mayn't they have decalcified?
V-ing perfect
mayn't I have been decalcifying? mayn't you have been decalcifying? mayn't he have been decalcifying? mayn't we have been decalcifying? mayn't you have been decalcifying? mayn't they have been decalcifying?