Conjugación del verbo inglés
MUST SIGHTSEE

Verbo regular: sightsee - sightseed - sightseed

Afirmación

Forma simple	Forma con V-ing
I must sightsee you must sightsee he must sightsee we must sightsee you must sightsee they must sightsee	I must be sightseeing you must be sightseeing he must be sightseeing we must be sightseeing you must be sightseeing they must be sightseeing
Perfecto	Perfecto con V-ing
I must have sightseed you must have sightseed he must have sightseed we must have sightseed you must have sightseed they must have sightseed	I must have been sightseeing you must have been sightseeing he must have been sightseeing we must have been sightseeing you must have been sightseeing they must have been sightseeing

Negación

Forma simple	Forma con V-ing
I must not sightsee you must not sightsee he must not sightsee we must not sightsee you must not sightsee they must not sightsee	I must not be sightseeing you must not be sightseeing he must not be sightseeing we must not be sightseeing you must not be sightseeing they must not be sightseeing
Perfecto	Perfecto con V-ing
I must not have sightseed you must not have sightseed he must not have sightseed we must not have sightseed you must not have sightseed they must not have sightseed	I must not have been sightseeing you must not have been sightseeing he must not have been sightseeing we must not have been sightseeing you must not have been sightseeing they must not have been sightseeing

Forma interrogativa

Forma simple	Forma con V-ing
must I sightsee? must you sightsee? must he sightsee? must we sightsee? must you sightsee? must they sightsee?	must I be sightseeing? must you be sightseeing? must he be sightseeing? must we be sightseeing? must you be sightseeing? must they be sightseeing?
Perfecto	Perfecto con V-ing
must I have sightseed? must you have sightseed? must he have sightseed? must we have sightseed? must you have sightseed? must they have sightseed?	must I have been sightseeing? must you have been sightseeing? must he have been sightseeing? must we have been sightseeing? must you have been sightseeing? must they have been sightseeing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not sightsee? must you not sightsee? must he not sightsee? must we not sightsee? must you not sightsee? must they not sightsee?	must I not be sightseeing? must you not be sightseeing? must he not be sightseeing? must we not be sightseeing? must you not be sightseeing? must they not be sightseeing?
Perfecto	Perfecto con V-ing
must I not have sightseed? must you not have sightseed? must he not have sightseed? must we not have sightseed? must you not have sightseed? must they not have sightseed?	must I not have been sightseeing? must you not have been sightseeing? must he not have been sightseeing? must we not have been sightseeing? must you not have been sightseeing? must they not have been sightseeing?