I must excavate you must excavate she must excavate we must excavate you must excavate they must excavate
Forma com V-ing
I must be excavating you must be excavating she must be excavating we must be excavating you must be excavating they must be excavating
Perfeito
I must have excavated you must have excavated she must have excavated we must have excavated you must have excavated they must have excavated
Perfeito com V-ing
I must have been excavating you must have been excavating she must have been excavating we must have been excavating you must have been excavating they must have been excavating
Negação
Forma simple
I must not excavate you must not excavate she must not excavate we must not excavate you must not excavate they must not excavate
Forma com V-ing
I must not be excavating you must not be excavating she must not be excavating we must not be excavating you must not be excavating they must not be excavating
Perfeito
I must not have excavated you must not have excavated she must not have excavated we must not have excavated you must not have excavated they must not have excavated
Perfeito com V-ing
I must not have been excavating you must not have been excavating she must not have been excavating we must not have been excavating you must not have been excavating they must not have been excavating
Forma interrogativa
Forma simple
must I excavate? must you excavate? must she excavate? must we excavate? must you excavate? must they excavate?
Forma com V-ing
must I be excavating? must you be excavating? must she be excavating? must we be excavating? must you be excavating? must they be excavating?
Perfeito
must I have excavated? must you have excavated? must she have excavated? must we have excavated? must you have excavated? must they have excavated?
Perfeito com V-ing
must I have been excavating? must you have been excavating? must she have been excavating? must we have been excavating? must you have been excavating? must they have been excavating?
Forma interro-Negação
Forma simple
must I not excavate? must you not excavate? must she not excavate? must we not excavate? must you not excavate? must they not excavate?
Forma com V-ing
must I not be excavating? must you not be excavating? must she not be excavating? must we not be excavating? must you not be excavating? must they not be excavating?
Perfeito
must I not have excavated? must you not have excavated? must she not have excavated? must we not have excavated? must you not have excavated? must they not have excavated?
Perfeito com V-ing
must I not have been excavating? must you not have been excavating? must she not have been excavating? must we not have been excavating? must you not have been excavating? must they not have been excavating?