I must interact you must interact he must interact we must interact you must interact they must interact
Forma com V-ing
I must be interacting you must be interacting he must be interacting we must be interacting you must be interacting they must be interacting
Perfeito
I must have interacted you must have interacted he must have interacted we must have interacted you must have interacted they must have interacted
Perfeito com V-ing
I must have been interacting you must have been interacting he must have been interacting we must have been interacting you must have been interacting they must have been interacting
Negação
Forma simple
I mustn't interact you mustn't interact he mustn't interact we mustn't interact you mustn't interact they mustn't interact
Forma com V-ing
I mustn't be interacting you mustn't be interacting he mustn't be interacting we mustn't be interacting you mustn't be interacting they mustn't be interacting
Perfeito
I mustn't have interacted you mustn't have interacted he mustn't have interacted we mustn't have interacted you mustn't have interacted they mustn't have interacted
Perfeito com V-ing
I mustn't have been interacting you mustn't have been interacting he mustn't have been interacting we mustn't have been interacting you mustn't have been interacting they mustn't have been interacting
Forma interrogativa
Forma simple
must I interact? must you interact? must he interact? must we interact? must you interact? must they interact?
Forma com V-ing
must I be interacting? must you be interacting? must he be interacting? must we be interacting? must you be interacting? must they be interacting?
Perfeito
must I have interacted? must you have interacted? must he have interacted? must we have interacted? must you have interacted? must they have interacted?
Perfeito com V-ing
must I have been interacting? must you have been interacting? must he have been interacting? must we have been interacting? must you have been interacting? must they have been interacting?
Forma interro-Negação
Forma simple
mustn't I interact? mustn't you interact? mustn't he interact? mustn't we interact? mustn't you interact? mustn't they interact?
Forma com V-ing
mustn't I be interacting? mustn't you be interacting? mustn't he be interacting? mustn't we be interacting? mustn't you be interacting? mustn't they be interacting?
Perfeito
mustn't I have interacted? mustn't you have interacted? mustn't he have interacted? mustn't we have interacted? mustn't you have interacted? mustn't they have interacted?
Perfeito com V-ing
mustn't I have been interacting? mustn't you have been interacting? mustn't he have been interacting? mustn't we have been interacting? mustn't you have been interacting? mustn't they have been interacting?