I must overcast you must overcast she must overcast we must overcast you must overcast they must overcast
Forma con V-ing
I must be overcasting you must be overcasting she must be overcasting we must be overcasting you must be overcasting they must be overcasting
Perfecto
I must have overcasted you must have overcasted she must have overcasted we must have overcasted you must have overcasted they must have overcasted
Perfecto con V-ing
I must have been overcasting you must have been overcasting she must have been overcasting we must have been overcasting you must have been overcasting they must have been overcasting
Negación
Forma simple
I must not overcast you must not overcast she must not overcast we must not overcast you must not overcast they must not overcast
Forma con V-ing
I must not be overcasting you must not be overcasting she must not be overcasting we must not be overcasting you must not be overcasting they must not be overcasting
Perfecto
I must not have overcasted you must not have overcasted she must not have overcasted we must not have overcasted you must not have overcasted they must not have overcasted
Perfecto con V-ing
I must not have been overcasting you must not have been overcasting she must not have been overcasting we must not have been overcasting you must not have been overcasting they must not have been overcasting
Forma interrogativa
Forma simple
must I overcast? must you overcast? must she overcast? must we overcast? must you overcast? must they overcast?
Forma con V-ing
must I be overcasting? must you be overcasting? must she be overcasting? must we be overcasting? must you be overcasting? must they be overcasting?
Perfecto
must I have overcasted? must you have overcasted? must she have overcasted? must we have overcasted? must you have overcasted? must they have overcasted?
Perfecto con V-ing
must I have been overcasting? must you have been overcasting? must she have been overcasting? must we have been overcasting? must you have been overcasting? must they have been overcasting?
Forma interro-negativa
Forma simple
must I not overcast? must you not overcast? must she not overcast? must we not overcast? must you not overcast? must they not overcast?
Forma con V-ing
must I not be overcasting? must you not be overcasting? must she not be overcasting? must we not be overcasting? must you not be overcasting? must they not be overcasting?
Perfecto
must I not have overcasted? must you not have overcasted? must she not have overcasted? must we not have overcasted? must you not have overcasted? must they not have overcasted?
Perfecto con V-ing
must I not have been overcasting? must you not have been overcasting? must she not have been overcasting? must we not have been overcasting? must you not have been overcasting? must they not have been overcasting?