I may backstroke you may backstroke he may backstroke we may backstroke you may backstroke they may backstroke
Forme en V-ing
I may be backstroking you may be backstroking he may be backstroking we may be backstroking you may be backstroking they may be backstroking
Perfect
I may have backstroked you may have backstroked he may have backstroked we may have backstroked you may have backstroked they may have backstroked
Perfect en V-ing
I may have been backstroking you may have been backstroking he may have been backstroking we may have been backstroking you may have been backstroking they may have been backstroking
Négation
Forme simple
I may not backstroke you may not backstroke he may not backstroke we may not backstroke you may not backstroke they may not backstroke
Forme en V-ing
I may not be backstroking you may not be backstroking he may not be backstroking we may not be backstroking you may not be backstroking they may not be backstroking
Perfect
I may not have backstroked you may not have backstroked he may not have backstroked we may not have backstroked you may not have backstroked they may not have backstroked
Perfect en V-ing
I may not have been backstroking you may not have been backstroking he may not have been backstroking we may not have been backstroking you may not have been backstroking they may not have been backstroking
Forme interrogative
Forme simple
may I backstroke? may you backstroke? may he backstroke? may we backstroke? may you backstroke? may they backstroke?
Forme en V-ing
may I be backstroking? may you be backstroking? may he be backstroking? may we be backstroking? may you be backstroking? may they be backstroking?
Perfect
may I have backstroked? may you have backstroked? may he have backstroked? may we have backstroked? may you have backstroked? may they have backstroked?
Perfect en V-ing
may I have been backstroking? may you have been backstroking? may he have been backstroking? may we have been backstroking? may you have been backstroking? may they have been backstroking?
Forme interro-négative
Forme simple
may I not backstroke? may you not backstroke? may he not backstroke? may we not backstroke? may you not backstroke? may they not backstroke?
Forme en V-ing
may I not be backstroking? may you not be backstroking? may he not be backstroking? may we not be backstroking? may you not be backstroking? may they not be backstroking?
Perfect
may I not have backstroked? may you not have backstroked? may he not have backstroked? may we not have backstroked? may you not have backstroked? may they not have backstroked?
Perfect en V-ing
may I not have been backstroking? may you not have been backstroking? may he not have been backstroking? may we not have been backstroking? may you not have been backstroking? may they not have been backstroking?