Conjugación del verbo inglés
MUST GRASS

Verbo regular: grass - grassed - grassed

Afirmación

Forma simple	Forma con V-ing
I must grass you must grass he must grass we must grass you must grass they must grass	I must be grassing you must be grassing he must be grassing we must be grassing you must be grassing they must be grassing
Perfecto	Perfecto con V-ing
I must have grassed you must have grassed he must have grassed we must have grassed you must have grassed they must have grassed	I must have been grassing you must have been grassing he must have been grassing we must have been grassing you must have been grassing they must have been grassing

Negación

Forma simple	Forma con V-ing
I must not grass you must not grass he must not grass we must not grass you must not grass they must not grass	I must not be grassing you must not be grassing he must not be grassing we must not be grassing you must not be grassing they must not be grassing
Perfecto	Perfecto con V-ing
I must not have grassed you must not have grassed he must not have grassed we must not have grassed you must not have grassed they must not have grassed	I must not have been grassing you must not have been grassing he must not have been grassing we must not have been grassing you must not have been grassing they must not have been grassing

Forma interrogativa

Forma simple	Forma con V-ing
must I grass? must you grass? must he grass? must we grass? must you grass? must they grass?	must I be grassing? must you be grassing? must he be grassing? must we be grassing? must you be grassing? must they be grassing?
Perfecto	Perfecto con V-ing
must I have grassed? must you have grassed? must he have grassed? must we have grassed? must you have grassed? must they have grassed?	must I have been grassing? must you have been grassing? must he have been grassing? must we have been grassing? must you have been grassing? must they have been grassing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not grass? must you not grass? must he not grass? must we not grass? must you not grass? must they not grass?	must I not be grassing? must you not be grassing? must he not be grassing? must we not be grassing? must you not be grassing? must they not be grassing?
Perfecto	Perfecto con V-ing
must I not have grassed? must you not have grassed? must he not have grassed? must we not have grassed? must you not have grassed? must they not have grassed?	must I not have been grassing? must you not have been grassing? must he not have been grassing? must we not have been grassing? must you not have been grassing? must they not have been grassing?