may backstroke
Verbe régulier : backstroke - backstroked- backstroked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may backstroke
you may backstroke
she may backstroke
we may backstroke
you may backstroke
they may backstroke 	I may be backstroking
you may be backstroking
she may be backstroking
we may be backstroking
you may be backstroking
they may be backstroking	I may have backstroked
you may have backstroked
she may have backstroked
we may have backstroked
you may have backstroked
they may have backstroked	I may have been backstroking
you may have been backstroking
she may have been backstroking
we may have been backstroking
you may have been backstroking
they may have been backstroking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't backstroke
you mayn't backstroke
she mayn't backstroke
we mayn't backstroke
you mayn't backstroke
they mayn't backstroke 	I mayn't be backstroking
you mayn't be backstroking
she mayn't be backstroking
we mayn't be backstroking
you mayn't be backstroking
they mayn't be backstroking	I mayn't have backstroked
you mayn't have backstroked
she mayn't have backstroked
we mayn't have backstroked
you mayn't have backstroked
they mayn't have backstroked	I mayn't have been backstroking
you mayn't have been backstroking
she mayn't have been backstroking
we mayn't have been backstroking
you mayn't have been backstroking
they mayn't have been backstroking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I backstroke?
may you backstroke?
may she backstroke?
may we backstroke?
may you backstroke?
may they backstroke? 	may I be backstroking?
may you be backstroking?
may she be backstroking?
may we be backstroking?
may you be backstroking?
may they be backstroking? 	may I have backstroked?
may you have backstroked?
may she have backstroked?
may we have backstroked?
may you have backstroked?
may they have backstroked? 	may I have been backstroking?
may you have been backstroking?
may she have been backstroking?
may we have been backstroking?
may you have been backstroking?
may they have been backstroking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I backstroke?
mayn't you backstroke?
mayn't she backstroke?
mayn't we backstroke?
mayn't you backstroke?
mayn't they backstroke? 	mayn't I be backstroking?
mayn't you be backstroking?
mayn't she be backstroking?
mayn't we be backstroking?
mayn't you be backstroking?
mayn't they be backstroking? 	mayn't I have backstroked?
mayn't you have backstroked?
mayn't she have backstroked?
mayn't we have backstroked?
mayn't you have backstroked?
mayn't they have backstroked? 	mayn't I have been backstroking?
mayn't you have been backstroking?
mayn't she have been backstroking?
mayn't we have been backstroking?
mayn't you have been backstroking?
mayn't they have been backstroking?