I may label you may label she may label we may label you may label they may label
V-ing form
I may be labelling you may be labelling she may be labelling we may be labelling you may be labelling they may be labelling
Perfect
I may have labelled you may have labelled she may have labelled we may have labelled you may have labelled they may have labelled
V-ing perfect
I may have been labelling you may have been labelling she may have been labelling we may have been labelling you may have been labelling they may have been labelling
Negation
Simple form
I may not label you may not label she may not label we may not label you may not label they may not label
V-ing form
I may not be labelling you may not be labelling she may not be labelling we may not be labelling you may not be labelling they may not be labelling
Perfect
I may not have labelled you may not have labelled she may not have labelled we may not have labelled you may not have labelled they may not have labelled
V-ing perfect
I may not have been labelling you may not have been labelling she may not have been labelling we may not have been labelling you may not have been labelling they may not have been labelling
Interrogative form
Simple form
may I label? may you label? may she label? may we label? may you label? may they label?
V-ing form
may I be labelling? may you be labelling? may she be labelling? may we be labelling? may you be labelling? may they be labelling?
Perfect
may I have labelled? may you have labelled? may she have labelled? may we have labelled? may you have labelled? may they have labelled?
V-ing perfect
may I have been labelling? may you have been labelling? may she have been labelling? may we have been labelling? may you have been labelling? may they have been labelling?
Interro-negative form
Simple form
may I not label? may you not label? may she not label? may we not label? may you not label? may they not label?
V-ing form
may I not be labelling? may you not be labelling? may she not be labelling? may we not be labelling? may you not be labelling? may they not be labelling?
Perfect
may I not have labelled? may you not have labelled? may she not have labelled? may we not have labelled? may you not have labelled? may they not have labelled?
V-ing perfect
may I not have been labelling? may you not have been labelling? may she not have been labelling? may we not have been labelling? may you not have been labelling? may they not have been labelling?