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