I may burke you may burke she may burke we may burke you may burke they may burke
V-ing form
I may be burking you may be burking she may be burking we may be burking you may be burking they may be burking
Perfect
I may have burked you may have burked she may have burked we may have burked you may have burked they may have burked
V-ing perfect
I may have been burking you may have been burking she may have been burking we may have been burking you may have been burking they may have been burking
Negation
Simple form
I may not burke you may not burke she may not burke we may not burke you may not burke they may not burke
V-ing form
I may not be burking you may not be burking she may not be burking we may not be burking you may not be burking they may not be burking
Perfect
I may not have burked you may not have burked she may not have burked we may not have burked you may not have burked they may not have burked
V-ing perfect
I may not have been burking you may not have been burking she may not have been burking we may not have been burking you may not have been burking they may not have been burking
Interrogative form
Simple form
may I burke? may you burke? may she burke? may we burke? may you burke? may they burke?
V-ing form
may I be burking? may you be burking? may she be burking? may we be burking? may you be burking? may they be burking?
Perfect
may I have burked? may you have burked? may she have burked? may we have burked? may you have burked? may they have burked?
V-ing perfect
may I have been burking? may you have been burking? may she have been burking? may we have been burking? may you have been burking? may they have been burking?
Interro-negative form
Simple form
may I not burke? may you not burke? may she not burke? may we not burke? may you not burke? may they not burke?
V-ing form
may I not be burking? may you not be burking? may she not be burking? may we not be burking? may you not be burking? may they not be burking?
Perfect
may I not have burked? may you not have burked? may she not have burked? may we not have burked? may you not have burked? may they not have burked?
V-ing perfect
may I not have been burking? may you not have been burking? may she not have been burking? may we not have been burking? may you not have been burking? may they not have been burking?