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 must not interact you must not interact he must not interact we must not interact you must not interact they must not interact
Forma com V-ing
I must not be interacting you must not be interacting he must not be interacting we must not be interacting you must not be interacting they must not be interacting
Perfeito
I must not have interacted you must not have interacted he must not have interacted we must not have interacted you must not have interacted they must not have interacted
Perfeito com V-ing
I must not have been interacting you must not have been interacting he must not have been interacting we must not have been interacting you must not have been interacting they must not 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
must I not interact? must you not interact? must he not interact? must we not interact? must you not interact? must they not interact?
Forma com V-ing
must I not be interacting? must you not be interacting? must he not be interacting? must we not be interacting? must you not be interacting? must they not be interacting?
Perfeito
must I not have interacted? must you not have interacted? must he not have interacted? must we not have interacted? must you not have interacted? must they not have interacted?
Perfeito com V-ing
must I not have been interacting? must you not have been interacting? must he not have been interacting? must we not have been interacting? must you not have been interacting? must they not have been interacting?