Conjugación del verbo inglés
MUST GROUND

Verbo regular: ground - grounded - grounded

Afirmación

Forma simple	Forma con V-ing
I must ground you must ground he must ground we must ground you must ground they must ground	I must be grounding you must be grounding he must be grounding we must be grounding you must be grounding they must be grounding
Perfecto	Perfecto con V-ing
I must have grounded you must have grounded he must have grounded we must have grounded you must have grounded they must have grounded	I must have been grounding you must have been grounding he must have been grounding we must have been grounding you must have been grounding they must have been grounding

Negación

Forma simple	Forma con V-ing
I mustn't ground you mustn't ground he mustn't ground we mustn't ground you mustn't ground they mustn't ground	I mustn't be grounding you mustn't be grounding he mustn't be grounding we mustn't be grounding you mustn't be grounding they mustn't be grounding
Perfecto	Perfecto con V-ing
I mustn't have grounded you mustn't have grounded he mustn't have grounded we mustn't have grounded you mustn't have grounded they mustn't have grounded	I mustn't have been grounding you mustn't have been grounding he mustn't have been grounding we mustn't have been grounding you mustn't have been grounding they mustn't have been grounding

Forma interrogativa

Forma simple	Forma con V-ing
must I ground? must you ground? must he ground? must we ground? must you ground? must they ground?	must I be grounding? must you be grounding? must he be grounding? must we be grounding? must you be grounding? must they be grounding?
Perfecto	Perfecto con V-ing
must I have grounded? must you have grounded? must he have grounded? must we have grounded? must you have grounded? must they have grounded?	must I have been grounding? must you have been grounding? must he have been grounding? must we have been grounding? must you have been grounding? must they have been grounding?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I ground? mustn't you ground? mustn't he ground? mustn't we ground? mustn't you ground? mustn't they ground?	mustn't I be grounding? mustn't you be grounding? mustn't he be grounding? mustn't we be grounding? mustn't you be grounding? mustn't they be grounding?
Perfecto	Perfecto con V-ing
mustn't I have grounded? mustn't you have grounded? mustn't he have grounded? mustn't we have grounded? mustn't you have grounded? mustn't they have grounded?	mustn't I have been grounding? mustn't you have been grounding? mustn't he have been grounding? mustn't we have been grounding? mustn't you have been grounding? mustn't they have been grounding?