Verbo regular: backstroke - backstroked - backstroked
Afirmación
Forma simple
I must backstroke you must backstroke she must backstroke we must backstroke you must backstroke they must backstroke
Forma con V-ing
I must be backstroking you must be backstroking she must be backstroking we must be backstroking you must be backstroking they must be backstroking
Perfecto
I must have backstroked you must have backstroked she must have backstroked we must have backstroked you must have backstroked they must have backstroked
Perfecto con V-ing
I must have been backstroking you must have been backstroking she must have been backstroking we must have been backstroking you must have been backstroking they must have been backstroking
Negación
Forma simple
I must not backstroke you must not backstroke she must not backstroke we must not backstroke you must not backstroke they must not backstroke
Forma con V-ing
I must not be backstroking you must not be backstroking she must not be backstroking we must not be backstroking you must not be backstroking they must not be backstroking
Perfecto
I must not have backstroked you must not have backstroked she must not have backstroked we must not have backstroked you must not have backstroked they must not have backstroked
Perfecto con V-ing
I must not have been backstroking you must not have been backstroking she must not have been backstroking we must not have been backstroking you must not have been backstroking they must not have been backstroking
Forma interrogativa
Forma simple
must I backstroke? must you backstroke? must she backstroke? must we backstroke? must you backstroke? must they backstroke?
Forma con V-ing
must I be backstroking? must you be backstroking? must she be backstroking? must we be backstroking? must you be backstroking? must they be backstroking?
Perfecto
must I have backstroked? must you have backstroked? must she have backstroked? must we have backstroked? must you have backstroked? must they have backstroked?
Perfecto con V-ing
must I have been backstroking? must you have been backstroking? must she have been backstroking? must we have been backstroking? must you have been backstroking? must they have been backstroking?
Forma interro-negativa
Forma simple
must I not backstroke? must you not backstroke? must she not backstroke? must we not backstroke? must you not backstroke? must they not backstroke?
Forma con V-ing
must I not be backstroking? must you not be backstroking? must she not be backstroking? must we not be backstroking? must you not be backstroking? must they not be backstroking?
Perfecto
must I not have backstroked? must you not have backstroked? must she not have backstroked? must we not have backstroked? must you not have backstroked? must they not have backstroked?
Perfecto con V-ing
must I not have been backstroking? must you not have been backstroking? must she not have been backstroking? must we not have been backstroking? must you not have been backstroking? must they not have been backstroking?