I must stick you must stick she must stick we must stick you must stick they must stick
Forma con V-ing
I must be sticking you must be sticking she must be sticking we must be sticking you must be sticking they must be sticking
Perfecto
I must have stuck you must have stuck she must have stuck we must have stuck you must have stuck they must have stuck
Perfecto con V-ing
I must have been sticking you must have been sticking she must have been sticking we must have been sticking you must have been sticking they must have been sticking
Negación
Forma simple
I must not stick you must not stick she must not stick we must not stick you must not stick they must not stick
Forma con V-ing
I must not be sticking you must not be sticking she must not be sticking we must not be sticking you must not be sticking they must not be sticking
Perfecto
I must not have stuck you must not have stuck she must not have stuck we must not have stuck you must not have stuck they must not have stuck
Perfecto con V-ing
I must not have been sticking you must not have been sticking she must not have been sticking we must not have been sticking you must not have been sticking they must not have been sticking
Forma interrogativa
Forma simple
must I stick? must you stick? must she stick? must we stick? must you stick? must they stick?
Forma con V-ing
must I be sticking? must you be sticking? must she be sticking? must we be sticking? must you be sticking? must they be sticking?
Perfecto
must I have stuck? must you have stuck? must she have stuck? must we have stuck? must you have stuck? must they have stuck?
Perfecto con V-ing
must I have been sticking? must you have been sticking? must she have been sticking? must we have been sticking? must you have been sticking? must they have been sticking?
Forma interro-negativa
Forma simple
must I not stick? must you not stick? must she not stick? must we not stick? must you not stick? must they not stick?
Forma con V-ing
must I not be sticking? must you not be sticking? must she not be sticking? must we not be sticking? must you not be sticking? must they not be sticking?
Perfecto
must I not have stuck? must you not have stuck? must she not have stuck? must we not have stuck? must you not have stuck? must they not have stuck?
Perfecto con V-ing
must I not have been sticking? must you not have been sticking? must she not have been sticking? must we not have been sticking? must you not have been sticking? must they not have been sticking?