I may diphthongise you may diphthongise she may diphthongise we may diphthongise you may diphthongise they may diphthongise
V-ing form
I may be diphthongising you may be diphthongising she may be diphthongising we may be diphthongising you may be diphthongising they may be diphthongising
Perfect
I may have diphthongised you may have diphthongised she may have diphthongised we may have diphthongised you may have diphthongised they may have diphthongised
V-ing perfect
I may have been diphthongising you may have been diphthongising she may have been diphthongising we may have been diphthongising you may have been diphthongising they may have been diphthongising
Negation
Simple form
I may not diphthongise you may not diphthongise she may not diphthongise we may not diphthongise you may not diphthongise they may not diphthongise
V-ing form
I may not be diphthongising you may not be diphthongising she may not be diphthongising we may not be diphthongising you may not be diphthongising they may not be diphthongising
Perfect
I may not have diphthongised you may not have diphthongised she may not have diphthongised we may not have diphthongised you may not have diphthongised they may not have diphthongised
V-ing perfect
I may not have been diphthongising you may not have been diphthongising she may not have been diphthongising we may not have been diphthongising you may not have been diphthongising they may not have been diphthongising
Interrogative form
Simple form
may I diphthongise? may you diphthongise? may she diphthongise? may we diphthongise? may you diphthongise? may they diphthongise?
V-ing form
may I be diphthongising? may you be diphthongising? may she be diphthongising? may we be diphthongising? may you be diphthongising? may they be diphthongising?
Perfect
may I have diphthongised? may you have diphthongised? may she have diphthongised? may we have diphthongised? may you have diphthongised? may they have diphthongised?
V-ing perfect
may I have been diphthongising? may you have been diphthongising? may she have been diphthongising? may we have been diphthongising? may you have been diphthongising? may they have been diphthongising?
Interro-negative form
Simple form
may I not diphthongise? may you not diphthongise? may she not diphthongise? may we not diphthongise? may you not diphthongise? may they not diphthongise?
V-ing form
may I not be diphthongising? may you not be diphthongising? may she not be diphthongising? may we not be diphthongising? may you not be diphthongising? may they not be diphthongising?
Perfect
may I not have diphthongised? may you not have diphthongised? may she not have diphthongised? may we not have diphthongised? may you not have diphthongised? may they not have diphthongised?
V-ing perfect
may I not have been diphthongising? may you not have been diphthongising? may she not have been diphthongising? may we not have been diphthongising? may you not have been diphthongising? may they not have been diphthongising?