I must enhance you must enhance he must enhance we must enhance you must enhance they must enhance
Forma com V-ing
I must be enhancing you must be enhancing he must be enhancing we must be enhancing you must be enhancing they must be enhancing
Perfeito
I must have enhanced you must have enhanced he must have enhanced we must have enhanced you must have enhanced they must have enhanced
Perfeito com V-ing
I must have been enhancing you must have been enhancing he must have been enhancing we must have been enhancing you must have been enhancing they must have been enhancing
Negação
Forma simple
I must not enhance you must not enhance he must not enhance we must not enhance you must not enhance they must not enhance
Forma com V-ing
I must not be enhancing you must not be enhancing he must not be enhancing we must not be enhancing you must not be enhancing they must not be enhancing
Perfeito
I must not have enhanced you must not have enhanced he must not have enhanced we must not have enhanced you must not have enhanced they must not have enhanced
Perfeito com V-ing
I must not have been enhancing you must not have been enhancing he must not have been enhancing we must not have been enhancing you must not have been enhancing they must not have been enhancing
Forma interrogativa
Forma simple
must I enhance? must you enhance? must he enhance? must we enhance? must you enhance? must they enhance?
Forma com V-ing
must I be enhancing? must you be enhancing? must he be enhancing? must we be enhancing? must you be enhancing? must they be enhancing?
Perfeito
must I have enhanced? must you have enhanced? must he have enhanced? must we have enhanced? must you have enhanced? must they have enhanced?
Perfeito com V-ing
must I have been enhancing? must you have been enhancing? must he have been enhancing? must we have been enhancing? must you have been enhancing? must they have been enhancing?
Forma interro-Negação
Forma simple
must I not enhance? must you not enhance? must he not enhance? must we not enhance? must you not enhance? must they not enhance?
Forma com V-ing
must I not be enhancing? must you not be enhancing? must he not be enhancing? must we not be enhancing? must you not be enhancing? must they not be enhancing?
Perfeito
must I not have enhanced? must you not have enhanced? must he not have enhanced? must we not have enhanced? must you not have enhanced? must they not have enhanced?
Perfeito com V-ing
must I not have been enhancing? must you not have been enhancing? must he not have been enhancing? must we not have been enhancing? must you not have been enhancing? must they not have been enhancing?