may diphthongise
Verbe régulier : diphthongise - diphthongised- diphthongised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may diphthongise
you may diphthongise
she may diphthongise
we may diphthongise
you may diphthongise
they may diphthongise 	I may be diphthongising
you may be diphthongising
she may be diphthongising
we may be diphthongising
you may be diphthongising
they may be diphthongising	I may have diphthongised
you may have diphthongised
she may have diphthongised
we may have diphthongised
you may have diphthongised
they may have diphthongised	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't diphthongise
you mayn't diphthongise
she mayn't diphthongise
we mayn't diphthongise
you mayn't diphthongise
they mayn't diphthongise 	I mayn't be diphthongising
you mayn't be diphthongising
she mayn't be diphthongising
we mayn't be diphthongising
you mayn't be diphthongising
they mayn't be diphthongising	I mayn't have diphthongised
you mayn't have diphthongised
she mayn't have diphthongised
we mayn't have diphthongised
you mayn't have diphthongised
they mayn't have diphthongised	I mayn't have been diphthongising
you mayn't have been diphthongising
she mayn't have been diphthongising
we mayn't have been diphthongising
you mayn't have been diphthongising
they mayn't have been diphthongising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I diphthongise?
may you diphthongise?
may she diphthongise?
may we diphthongise?
may you diphthongise?
may they diphthongise? 	may I be diphthongising?
may you be diphthongising?
may she be diphthongising?
may we be diphthongising?
may you be diphthongising?
may they be diphthongising? 	may I have diphthongised?
may you have diphthongised?
may she have diphthongised?
may we have diphthongised?
may you have diphthongised?
may they have diphthongised? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I diphthongise?
mayn't you diphthongise?
mayn't she diphthongise?
mayn't we diphthongise?
mayn't you diphthongise?
mayn't they diphthongise? 	mayn't I be diphthongising?
mayn't you be diphthongising?
mayn't she be diphthongising?
mayn't we be diphthongising?
mayn't you be diphthongising?
mayn't they be diphthongising? 	mayn't I have diphthongised?
mayn't you have diphthongised?
mayn't she have diphthongised?
mayn't we have diphthongised?
mayn't you have diphthongised?
mayn't they have diphthongised? 	mayn't I have been diphthongising?
mayn't you have been diphthongising?
mayn't she have been diphthongising?
mayn't we have been diphthongising?
mayn't you have been diphthongising?
mayn't they have been diphthongising?