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