I must shrill you must shrill he must shrill we must shrill you must shrill they must shrill
Forma com V-ing
I must be shrilling you must be shrilling he must be shrilling we must be shrilling you must be shrilling they must be shrilling
Perfeito
I must have shrilled you must have shrilled he must have shrilled we must have shrilled you must have shrilled they must have shrilled
Perfeito com V-ing
I must have been shrilling you must have been shrilling he must have been shrilling we must have been shrilling you must have been shrilling they must have been shrilling
Negação
Forma simple
I mustn't shrill you mustn't shrill he mustn't shrill we mustn't shrill you mustn't shrill they mustn't shrill
Forma com V-ing
I mustn't be shrilling you mustn't be shrilling he mustn't be shrilling we mustn't be shrilling you mustn't be shrilling they mustn't be shrilling
Perfeito
I mustn't have shrilled you mustn't have shrilled he mustn't have shrilled we mustn't have shrilled you mustn't have shrilled they mustn't have shrilled
Perfeito com V-ing
I mustn't have been shrilling you mustn't have been shrilling he mustn't have been shrilling we mustn't have been shrilling you mustn't have been shrilling they mustn't have been shrilling
Forma interrogativa
Forma simple
must I shrill? must you shrill? must he shrill? must we shrill? must you shrill? must they shrill?
Forma com V-ing
must I be shrilling? must you be shrilling? must he be shrilling? must we be shrilling? must you be shrilling? must they be shrilling?
Perfeito
must I have shrilled? must you have shrilled? must he have shrilled? must we have shrilled? must you have shrilled? must they have shrilled?
Perfeito com V-ing
must I have been shrilling? must you have been shrilling? must he have been shrilling? must we have been shrilling? must you have been shrilling? must they have been shrilling?
Forma interro-Negação
Forma simple
mustn't I shrill? mustn't you shrill? mustn't he shrill? mustn't we shrill? mustn't you shrill? mustn't they shrill?
Forma com V-ing
mustn't I be shrilling? mustn't you be shrilling? mustn't he be shrilling? mustn't we be shrilling? mustn't you be shrilling? mustn't they be shrilling?
Perfeito
mustn't I have shrilled? mustn't you have shrilled? mustn't he have shrilled? mustn't we have shrilled? mustn't you have shrilled? mustn't they have shrilled?
Perfeito com V-ing
mustn't I have been shrilling? mustn't you have been shrilling? mustn't he have been shrilling? mustn't we have been shrilling? mustn't you have been shrilling? mustn't they have been shrilling?