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