I must babysit you must babysit he must babysit we must babysit you must babysit they must babysit
Forma com V-ing
I must be babysiting you must be babysiting he must be babysiting we must be babysiting you must be babysiting they must be babysiting
Perfeito
I must have babysat you must have babysat he must have babysat we must have babysat you must have babysat they must have babysat
Perfeito com V-ing
I must have been babysiting you must have been babysiting he must have been babysiting we must have been babysiting you must have been babysiting they must have been babysiting
Negação
Forma simple
I must not babysit you must not babysit he must not babysit we must not babysit you must not babysit they must not babysit
Forma com V-ing
I must not be babysiting you must not be babysiting he must not be babysiting we must not be babysiting you must not be babysiting they must not be babysiting
Perfeito
I must not have babysat you must not have babysat he must not have babysat we must not have babysat you must not have babysat they must not have babysat
Perfeito com V-ing
I must not have been babysiting you must not have been babysiting he must not have been babysiting we must not have been babysiting you must not have been babysiting they must not have been babysiting
Forma interrogativa
Forma simple
must I babysit? must you babysit? must he babysit? must we babysit? must you babysit? must they babysit?
Forma com V-ing
must I be babysiting? must you be babysiting? must he be babysiting? must we be babysiting? must you be babysiting? must they be babysiting?
Perfeito
must I have babysat? must you have babysat? must he have babysat? must we have babysat? must you have babysat? must they have babysat?
Perfeito com V-ing
must I have been babysiting? must you have been babysiting? must he have been babysiting? must we have been babysiting? must you have been babysiting? must they have been babysiting?
Forma interro-Negação
Forma simple
must I not babysit? must you not babysit? must he not babysit? must we not babysit? must you not babysit? must they not babysit?
Forma com V-ing
must I not be babysiting? must you not be babysiting? must he not be babysiting? must we not be babysiting? must you not be babysiting? must they not be babysiting?
Perfeito
must I not have babysat? must you not have babysat? must he not have babysat? must we not have babysat? must you not have babysat? must they not have babysat?
Perfeito com V-ing
must I not have been babysiting? must you not have been babysiting? must he not have been babysiting? must we not have been babysiting? must you not have been babysiting? must they not have been babysiting?