I must bestir you must bestir she must bestir we must bestir you must bestir they must bestir
Forma con V-ing
I must be bestirring you must be bestirring she must be bestirring we must be bestirring you must be bestirring they must be bestirring
Perfecto
I must have bestirred you must have bestirred she must have bestirred we must have bestirred you must have bestirred they must have bestirred
Perfecto con V-ing
I must have been bestirring you must have been bestirring she must have been bestirring we must have been bestirring you must have been bestirring they must have been bestirring
Negación
Forma simple
I must not bestir you must not bestir she must not bestir we must not bestir you must not bestir they must not bestir
Forma con V-ing
I must not be bestirring you must not be bestirring she must not be bestirring we must not be bestirring you must not be bestirring they must not be bestirring
Perfecto
I must not have bestirred you must not have bestirred she must not have bestirred we must not have bestirred you must not have bestirred they must not have bestirred
Perfecto con V-ing
I must not have been bestirring you must not have been bestirring she must not have been bestirring we must not have been bestirring you must not have been bestirring they must not have been bestirring
Forma interrogativa
Forma simple
must I bestir? must you bestir? must she bestir? must we bestir? must you bestir? must they bestir?
Forma con V-ing
must I be bestirring? must you be bestirring? must she be bestirring? must we be bestirring? must you be bestirring? must they be bestirring?
Perfecto
must I have bestirred? must you have bestirred? must she have bestirred? must we have bestirred? must you have bestirred? must they have bestirred?
Perfecto con V-ing
must I have been bestirring? must you have been bestirring? must she have been bestirring? must we have been bestirring? must you have been bestirring? must they have been bestirring?
Forma interro-negativa
Forma simple
must I not bestir? must you not bestir? must she not bestir? must we not bestir? must you not bestir? must they not bestir?
Forma con V-ing
must I not be bestirring? must you not be bestirring? must she not be bestirring? must we not be bestirring? must you not be bestirring? must they not be bestirring?
Perfecto
must I not have bestirred? must you not have bestirred? must she not have bestirred? must we not have bestirred? must you not have bestirred? must they not have bestirred?
Perfecto con V-ing
must I not have been bestirring? must you not have been bestirring? must she not have been bestirring? must we not have been bestirring? must you not have been bestirring? must they not have been bestirring?