I must baste you must baste she must baste we must baste you must baste they must baste
Forma con V-ing
I must be basting you must be basting she must be basting we must be basting you must be basting they must be basting
Perfecto
I must have basted you must have basted she must have basted we must have basted you must have basted they must have basted
Perfecto con V-ing
I must have been basting you must have been basting she must have been basting we must have been basting you must have been basting they must have been basting
Negación
Forma simple
I must not baste you must not baste she must not baste we must not baste you must not baste they must not baste
Forma con V-ing
I must not be basting you must not be basting she must not be basting we must not be basting you must not be basting they must not be basting
Perfecto
I must not have basted you must not have basted she must not have basted we must not have basted you must not have basted they must not have basted
Perfecto con V-ing
I must not have been basting you must not have been basting she must not have been basting we must not have been basting you must not have been basting they must not have been basting
Forma interrogativa
Forma simple
must I baste? must you baste? must she baste? must we baste? must you baste? must they baste?
Forma con V-ing
must I be basting? must you be basting? must she be basting? must we be basting? must you be basting? must they be basting?
Perfecto
must I have basted? must you have basted? must she have basted? must we have basted? must you have basted? must they have basted?
Perfecto con V-ing
must I have been basting? must you have been basting? must she have been basting? must we have been basting? must you have been basting? must they have been basting?
Forma interro-negativa
Forma simple
must I not baste? must you not baste? must she not baste? must we not baste? must you not baste? must they not baste?
Forma con V-ing
must I not be basting? must you not be basting? must she not be basting? must we not be basting? must you not be basting? must they not be basting?
Perfecto
must I not have basted? must you not have basted? must she not have basted? must we not have basted? must you not have basted? must they not have basted?
Perfecto con V-ing
must I not have been basting? must you not have been basting? must she not have been basting? must we not have been basting? must you not have been basting? must they not have been basting?