I must chitchat you must chitchat she must chitchat we must chitchat you must chitchat they must chitchat
Forma con V-ing
I must be chitchating you must be chitchating she must be chitchating we must be chitchating you must be chitchating they must be chitchating
Perfecto
I must have chitchated you must have chitchated she must have chitchated we must have chitchated you must have chitchated they must have chitchated
Perfecto con V-ing
I must have been chitchating you must have been chitchating she must have been chitchating we must have been chitchating you must have been chitchating they must have been chitchating
Negación
Forma simple
I must not chitchat you must not chitchat she must not chitchat we must not chitchat you must not chitchat they must not chitchat
Forma con V-ing
I must not be chitchating you must not be chitchating she must not be chitchating we must not be chitchating you must not be chitchating they must not be chitchating
Perfecto
I must not have chitchated you must not have chitchated she must not have chitchated we must not have chitchated you must not have chitchated they must not have chitchated
Perfecto con V-ing
I must not have been chitchating you must not have been chitchating she must not have been chitchating we must not have been chitchating you must not have been chitchating they must not have been chitchating
Forma interrogativa
Forma simple
must I chitchat? must you chitchat? must she chitchat? must we chitchat? must you chitchat? must they chitchat?
Forma con V-ing
must I be chitchating? must you be chitchating? must she be chitchating? must we be chitchating? must you be chitchating? must they be chitchating?
Perfecto
must I have chitchated? must you have chitchated? must she have chitchated? must we have chitchated? must you have chitchated? must they have chitchated?
Perfecto con V-ing
must I have been chitchating? must you have been chitchating? must she have been chitchating? must we have been chitchating? must you have been chitchating? must they have been chitchating?
Forma interro-negativa
Forma simple
must I not chitchat? must you not chitchat? must she not chitchat? must we not chitchat? must you not chitchat? must they not chitchat?
Forma con V-ing
must I not be chitchating? must you not be chitchating? must she not be chitchating? must we not be chitchating? must you not be chitchating? must they not be chitchating?
Perfecto
must I not have chitchated? must you not have chitchated? must she not have chitchated? must we not have chitchated? must you not have chitchated? must they not have chitchated?
Perfecto con V-ing
must I not have been chitchating? must you not have been chitchating? must she not have been chitchating? must we not have been chitchating? must you not have been chitchating? must they not have been chitchating?