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 may not speculate you may not speculate she may not speculate we may not speculate you may not speculate they may not speculate
V-ing form
I may not be speculating you may not be speculating she may not be speculating we may not be speculating you may not be speculating they may not be speculating
Perfect
I may not have speculated you may not have speculated she may not have speculated we may not have speculated you may not have speculated they may not have speculated
V-ing perfect
I may not have been speculating you may not have been speculating she may not have been speculating we may not have been speculating you may not have been speculating they may not 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
may I not speculate? may you not speculate? may she not speculate? may we not speculate? may you not speculate? may they not speculate?
V-ing form
may I not be speculating? may you not be speculating? may she not be speculating? may we not be speculating? may you not be speculating? may they not be speculating?
Perfect
may I not have speculated? may you not have speculated? may she not have speculated? may we not have speculated? may you not have speculated? may they not have speculated?
V-ing perfect
may I not have been speculating? may you not have been speculating? may she not have been speculating? may we not have been speculating? may you not have been speculating? may they not have been speculating?