I must cling you must cling she must cling we must cling you must cling they must cling
Forma con V-ing
I must be clinging you must be clinging she must be clinging we must be clinging you must be clinging they must be clinging
Perfecto
I must have clung you must have clung she must have clung we must have clung you must have clung they must have clung
Perfecto con V-ing
I must have been clinging you must have been clinging she must have been clinging we must have been clinging you must have been clinging they must have been clinging
Negación
Forma simple
I must not cling you must not cling she must not cling we must not cling you must not cling they must not cling
Forma con V-ing
I must not be clinging you must not be clinging she must not be clinging we must not be clinging you must not be clinging they must not be clinging
Perfecto
I must not have clung you must not have clung she must not have clung we must not have clung you must not have clung they must not have clung
Perfecto con V-ing
I must not have been clinging you must not have been clinging she must not have been clinging we must not have been clinging you must not have been clinging they must not have been clinging
Forma interrogativa
Forma simple
must I cling? must you cling? must she cling? must we cling? must you cling? must they cling?
Forma con V-ing
must I be clinging? must you be clinging? must she be clinging? must we be clinging? must you be clinging? must they be clinging?
Perfecto
must I have clung? must you have clung? must she have clung? must we have clung? must you have clung? must they have clung?
Perfecto con V-ing
must I have been clinging? must you have been clinging? must she have been clinging? must we have been clinging? must you have been clinging? must they have been clinging?
Forma interro-negativa
Forma simple
must I not cling? must you not cling? must she not cling? must we not cling? must you not cling? must they not cling?
Forma con V-ing
must I not be clinging? must you not be clinging? must she not be clinging? must we not be clinging? must you not be clinging? must they not be clinging?
Perfecto
must I not have clung? must you not have clung? must she not have clung? must we not have clung? must you not have clung? must they not have clung?
Perfecto con V-ing
must I not have been clinging? must you not have been clinging? must she not have been clinging? must we not have been clinging? must you not have been clinging? must they not have been clinging?