I must skip you must skip she must skip we must skip you must skip they must skip
Forma com V-ing
I must be skipping you must be skipping she must be skipping we must be skipping you must be skipping they must be skipping
Perfeito
I must have skipped you must have skipped she must have skipped we must have skipped you must have skipped they must have skipped
Perfeito com V-ing
I must have been skipping you must have been skipping she must have been skipping we must have been skipping you must have been skipping they must have been skipping
Negação
Forma simple
I mustn't skip you mustn't skip she mustn't skip we mustn't skip you mustn't skip they mustn't skip
Forma com V-ing
I mustn't be skipping you mustn't be skipping she mustn't be skipping we mustn't be skipping you mustn't be skipping they mustn't be skipping
Perfeito
I mustn't have skipped you mustn't have skipped she mustn't have skipped we mustn't have skipped you mustn't have skipped they mustn't have skipped
Perfeito com V-ing
I mustn't have been skipping you mustn't have been skipping she mustn't have been skipping we mustn't have been skipping you mustn't have been skipping they mustn't have been skipping
Forma interrogativa
Forma simple
must I skip? must you skip? must she skip? must we skip? must you skip? must they skip?
Forma com V-ing
must I be skipping? must you be skipping? must she be skipping? must we be skipping? must you be skipping? must they be skipping?
Perfeito
must I have skipped? must you have skipped? must she have skipped? must we have skipped? must you have skipped? must they have skipped?
Perfeito com V-ing
must I have been skipping? must you have been skipping? must she have been skipping? must we have been skipping? must you have been skipping? must they have been skipping?
Forma interro-Negação
Forma simple
mustn't I skip? mustn't you skip? mustn't she skip? mustn't we skip? mustn't you skip? mustn't they skip?
Forma com V-ing
mustn't I be skipping? mustn't you be skipping? mustn't she be skipping? mustn't we be skipping? mustn't you be skipping? mustn't they be skipping?
Perfeito
mustn't I have skipped? mustn't you have skipped? mustn't she have skipped? mustn't we have skipped? mustn't you have skipped? mustn't they have skipped?
Perfeito com V-ing
mustn't I have been skipping? mustn't you have been skipping? mustn't she have been skipping? mustn't we have been skipping? mustn't you have been skipping? mustn't they have been skipping?