Conjugación del verbo inglés
MUST GRUBSTAKE

Verbo regular: grubstake - grubstaked - grubstaked

Afirmación

Forma simple	Forma con V-ing
I must grubstake you must grubstake she must grubstake we must grubstake you must grubstake they must grubstake	I must be grubstaking you must be grubstaking she must be grubstaking we must be grubstaking you must be grubstaking they must be grubstaking
Perfecto	Perfecto con V-ing
I must have grubstaked you must have grubstaked she must have grubstaked we must have grubstaked you must have grubstaked they must have grubstaked	I must have been grubstaking you must have been grubstaking she must have been grubstaking we must have been grubstaking you must have been grubstaking they must have been grubstaking

Negación

Forma simple	Forma con V-ing
I must not grubstake you must not grubstake she must not grubstake we must not grubstake you must not grubstake they must not grubstake	I must not be grubstaking you must not be grubstaking she must not be grubstaking we must not be grubstaking you must not be grubstaking they must not be grubstaking
Perfecto	Perfecto con V-ing
I must not have grubstaked you must not have grubstaked she must not have grubstaked we must not have grubstaked you must not have grubstaked they must not have grubstaked	I must not have been grubstaking you must not have been grubstaking she must not have been grubstaking we must not have been grubstaking you must not have been grubstaking they must not have been grubstaking

Forma interrogativa

Forma simple	Forma con V-ing
must I grubstake? must you grubstake? must she grubstake? must we grubstake? must you grubstake? must they grubstake?	must I be grubstaking? must you be grubstaking? must she be grubstaking? must we be grubstaking? must you be grubstaking? must they be grubstaking?
Perfecto	Perfecto con V-ing
must I have grubstaked? must you have grubstaked? must she have grubstaked? must we have grubstaked? must you have grubstaked? must they have grubstaked?	must I have been grubstaking? must you have been grubstaking? must she have been grubstaking? must we have been grubstaking? must you have been grubstaking? must they have been grubstaking?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not grubstake? must you not grubstake? must she not grubstake? must we not grubstake? must you not grubstake? must they not grubstake?	must I not be grubstaking? must you not be grubstaking? must she not be grubstaking? must we not be grubstaking? must you not be grubstaking? must they not be grubstaking?
Perfecto	Perfecto con V-ing
must I not have grubstaked? must you not have grubstaked? must she not have grubstaked? must we not have grubstaked? must you not have grubstaked? must they not have grubstaked?	must I not have been grubstaking? must you not have been grubstaking? must she not have been grubstaking? must we not have been grubstaking? must you not have been grubstaking? must they not have been grubstaking?