I must balk you must balk she must balk we must balk you must balk they must balk
Forma com V-ing
I must be balking you must be balking she must be balking we must be balking you must be balking they must be balking
Perfeito
I must have balked you must have balked she must have balked we must have balked you must have balked they must have balked
Perfeito com V-ing
I must have been balking you must have been balking she must have been balking we must have been balking you must have been balking they must have been balking
Negação
Forma simple
I must not balk you must not balk she must not balk we must not balk you must not balk they must not balk
Forma com V-ing
I must not be balking you must not be balking she must not be balking we must not be balking you must not be balking they must not be balking
Perfeito
I must not have balked you must not have balked she must not have balked we must not have balked you must not have balked they must not have balked
Perfeito com V-ing
I must not have been balking you must not have been balking she must not have been balking we must not have been balking you must not have been balking they must not have been balking
Forma interrogativa
Forma simple
must I balk? must you balk? must she balk? must we balk? must you balk? must they balk?
Forma com V-ing
must I be balking? must you be balking? must she be balking? must we be balking? must you be balking? must they be balking?
Perfeito
must I have balked? must you have balked? must she have balked? must we have balked? must you have balked? must they have balked?
Perfeito com V-ing
must I have been balking? must you have been balking? must she have been balking? must we have been balking? must you have been balking? must they have been balking?
Forma interro-Negação
Forma simple
must I not balk? must you not balk? must she not balk? must we not balk? must you not balk? must they not balk?
Forma com V-ing
must I not be balking? must you not be balking? must she not be balking? must we not be balking? must you not be balking? must they not be balking?
Perfeito
must I not have balked? must you not have balked? must she not have balked? must we not have balked? must you not have balked? must they not have balked?
Perfeito com V-ing
must I not have been balking? must you not have been balking? must she not have been balking? must we not have been balking? must you not have been balking? must they not have been balking?