I may speculate you may speculate she may speculate we may speculate you may speculate they may speculate
V-ing form
I may be speculating you may be speculating she may be speculating we may be speculating you may be speculating they may be speculating
Perfect
I may have speculated you may have speculated she may have speculated we may have speculated you may have speculated they may have speculated
V-ing perfect
I may have been speculating you may have been speculating she may have been speculating we may have been speculating you may have been speculating they may have been speculating
Negation
Simple form
I mayn't speculate you mayn't speculate she mayn't speculate we mayn't speculate you mayn't speculate they mayn't speculate
V-ing form
I mayn't be speculating you mayn't be speculating she mayn't be speculating we mayn't be speculating you mayn't be speculating they mayn't be speculating
Perfect
I mayn't have speculated you mayn't have speculated she mayn't have speculated we mayn't have speculated you mayn't have speculated they mayn't have speculated
V-ing perfect
I mayn't have been speculating you mayn't have been speculating she mayn't have been speculating we mayn't have been speculating you mayn't have been speculating they mayn't have been speculating
Interrogative form
Simple form
may I speculate? may you speculate? may she speculate? may we speculate? may you speculate? may they speculate?
V-ing form
may I be speculating? may you be speculating? may she be speculating? may we be speculating? may you be speculating? may they be speculating?
Perfect
may I have speculated? may you have speculated? may she have speculated? may we have speculated? may you have speculated? may they have speculated?
V-ing perfect
may I have been speculating? may you have been speculating? may she have been speculating? may we have been speculating? may you have been speculating? may they have been speculating?
Interro-negative form
Simple form
mayn't I speculate? mayn't you speculate? mayn't she speculate? mayn't we speculate? mayn't you speculate? mayn't they speculate?
V-ing form
mayn't I be speculating? mayn't you be speculating? mayn't she be speculating? mayn't we be speculating? mayn't you be speculating? mayn't they be speculating?
Perfect
mayn't I have speculated? mayn't you have speculated? mayn't she have speculated? mayn't we have speculated? mayn't you have speculated? mayn't they have speculated?
V-ing perfect
mayn't I have been speculating? mayn't you have been speculating? mayn't she have been speculating? mayn't we have been speculating? mayn't you have been speculating? mayn't they have been speculating?