I must bumble you must bumble she must bumble we must bumble you must bumble they must bumble
Forma con V-ing
I must be bumbling you must be bumbling she must be bumbling we must be bumbling you must be bumbling they must be bumbling
Perfecto
I must have bumbled you must have bumbled she must have bumbled we must have bumbled you must have bumbled they must have bumbled
Perfecto con V-ing
I must have been bumbling you must have been bumbling she must have been bumbling we must have been bumbling you must have been bumbling they must have been bumbling
Negación
Forma simple
I must not bumble you must not bumble she must not bumble we must not bumble you must not bumble they must not bumble
Forma con V-ing
I must not be bumbling you must not be bumbling she must not be bumbling we must not be bumbling you must not be bumbling they must not be bumbling
Perfecto
I must not have bumbled you must not have bumbled she must not have bumbled we must not have bumbled you must not have bumbled they must not have bumbled
Perfecto con V-ing
I must not have been bumbling you must not have been bumbling she must not have been bumbling we must not have been bumbling you must not have been bumbling they must not have been bumbling
Forma interrogativa
Forma simple
must I bumble? must you bumble? must she bumble? must we bumble? must you bumble? must they bumble?
Forma con V-ing
must I be bumbling? must you be bumbling? must she be bumbling? must we be bumbling? must you be bumbling? must they be bumbling?
Perfecto
must I have bumbled? must you have bumbled? must she have bumbled? must we have bumbled? must you have bumbled? must they have bumbled?
Perfecto con V-ing
must I have been bumbling? must you have been bumbling? must she have been bumbling? must we have been bumbling? must you have been bumbling? must they have been bumbling?
Forma interro-negativa
Forma simple
must I not bumble? must you not bumble? must she not bumble? must we not bumble? must you not bumble? must they not bumble?
Forma con V-ing
must I not be bumbling? must you not be bumbling? must she not be bumbling? must we not be bumbling? must you not be bumbling? must they not be bumbling?
Perfecto
must I not have bumbled? must you not have bumbled? must she not have bumbled? must we not have bumbled? must you not have bumbled? must they not have bumbled?
Perfecto con V-ing
must I not have been bumbling? must you not have been bumbling? must she not have been bumbling? must we not have been bumbling? must you not have been bumbling? must they not have been bumbling?