I must strip you must strip he must strip we must strip you must strip they must strip
Forma con V-ing
I must be stripping you must be stripping he must be stripping we must be stripping you must be stripping they must be stripping
Perfecto
I must have stripped you must have stripped he must have stripped we must have stripped you must have stripped they must have stripped
Perfecto con V-ing
I must have been stripping you must have been stripping he must have been stripping we must have been stripping you must have been stripping they must have been stripping
Negación
Forma simple
I must not strip you must not strip he must not strip we must not strip you must not strip they must not strip
Forma con V-ing
I must not be stripping you must not be stripping he must not be stripping we must not be stripping you must not be stripping they must not be stripping
Perfecto
I must not have stripped you must not have stripped he must not have stripped we must not have stripped you must not have stripped they must not have stripped
Perfecto con V-ing
I must not have been stripping you must not have been stripping he must not have been stripping we must not have been stripping you must not have been stripping they must not have been stripping
Forma interrogativa
Forma simple
must I strip? must you strip? must he strip? must we strip? must you strip? must they strip?
Forma con V-ing
must I be stripping? must you be stripping? must he be stripping? must we be stripping? must you be stripping? must they be stripping?
Perfecto
must I have stripped? must you have stripped? must he have stripped? must we have stripped? must you have stripped? must they have stripped?
Perfecto con V-ing
must I have been stripping? must you have been stripping? must he have been stripping? must we have been stripping? must you have been stripping? must they have been stripping?
Forma interro-negativa
Forma simple
must I not strip? must you not strip? must he not strip? must we not strip? must you not strip? must they not strip?
Forma con V-ing
must I not be stripping? must you not be stripping? must he not be stripping? must we not be stripping? must you not be stripping? must they not be stripping?
Perfecto
must I not have stripped? must you not have stripped? must he not have stripped? must we not have stripped? must you not have stripped? must they not have stripped?
Perfecto con V-ing
must I not have been stripping? must you not have been stripping? must he not have been stripping? must we not have been stripping? must you not have been stripping? must they not have been stripping?