I must drain you must drain she must drain we must drain you must drain they must drain
Forma com V-ing
I must be draining you must be draining she must be draining we must be draining you must be draining they must be draining
Perfeito
I must have drained you must have drained she must have drained we must have drained you must have drained they must have drained
Perfeito com V-ing
I must have been draining you must have been draining she must have been draining we must have been draining you must have been draining they must have been draining
Negação
Forma simple
I must not drain you must not drain she must not drain we must not drain you must not drain they must not drain
Forma com V-ing
I must not be draining you must not be draining she must not be draining we must not be draining you must not be draining they must not be draining
Perfeito
I must not have drained you must not have drained she must not have drained we must not have drained you must not have drained they must not have drained
Perfeito com V-ing
I must not have been draining you must not have been draining she must not have been draining we must not have been draining you must not have been draining they must not have been draining
Forma interrogativa
Forma simple
must I drain? must you drain? must she drain? must we drain? must you drain? must they drain?
Forma com V-ing
must I be draining? must you be draining? must she be draining? must we be draining? must you be draining? must they be draining?
Perfeito
must I have drained? must you have drained? must she have drained? must we have drained? must you have drained? must they have drained?
Perfeito com V-ing
must I have been draining? must you have been draining? must she have been draining? must we have been draining? must you have been draining? must they have been draining?
Forma interro-Negação
Forma simple
must I not drain? must you not drain? must she not drain? must we not drain? must you not drain? must they not drain?
Forma com V-ing
must I not be draining? must you not be draining? must she not be draining? must we not be draining? must you not be draining? must they not be draining?
Perfeito
must I not have drained? must you not have drained? must she not have drained? must we not have drained? must you not have drained? must they not have drained?
Perfeito com V-ing
must I not have been draining? must you not have been draining? must she not have been draining? must we not have been draining? must you not have been draining? must they not have been draining?