Conjugación del verbo inglés
MUST SINGE

Verbo regular: singe - singed - singed

Afirmación

Forma simple	Forma con V-ing
I must singe you must singe he must singe we must singe you must singe they must singe	I must be singing you must be singing he must be singing we must be singing you must be singing they must be singing
Perfecto	Perfecto con V-ing
I must have singed you must have singed he must have singed we must have singed you must have singed they must have singed	I must have been singing you must have been singing he must have been singing we must have been singing you must have been singing they must have been singing

Negación

Forma simple	Forma con V-ing
I must not singe you must not singe he must not singe we must not singe you must not singe they must not singe	I must not be singing you must not be singing he must not be singing we must not be singing you must not be singing they must not be singing
Perfecto	Perfecto con V-ing
I must not have singed you must not have singed he must not have singed we must not have singed you must not have singed they must not have singed	I must not have been singing you must not have been singing he must not have been singing we must not have been singing you must not have been singing they must not have been singing

Forma interrogativa

Forma simple	Forma con V-ing
must I singe? must you singe? must he singe? must we singe? must you singe? must they singe?	must I be singing? must you be singing? must he be singing? must we be singing? must you be singing? must they be singing?
Perfecto	Perfecto con V-ing
must I have singed? must you have singed? must he have singed? must we have singed? must you have singed? must they have singed?	must I have been singing? must you have been singing? must he have been singing? must we have been singing? must you have been singing? must they have been singing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not singe? must you not singe? must he not singe? must we not singe? must you not singe? must they not singe?	must I not be singing? must you not be singing? must he not be singing? must we not be singing? must you not be singing? must they not be singing?
Perfecto	Perfecto con V-ing
must I not have singed? must you not have singed? must he not have singed? must we not have singed? must you not have singed? must they not have singed?	must I not have been singing? must you not have been singing? must he not have been singing? must we not have been singing? must you not have been singing? must they not have been singing?