I must rivet you must rivet he must rivet we must rivet you must rivet they must rivet
Forma com V-ing
I must be riveting you must be riveting he must be riveting we must be riveting you must be riveting they must be riveting
Perfeito
I must have riveted you must have riveted he must have riveted we must have riveted you must have riveted they must have riveted
Perfeito com V-ing
I must have been riveting you must have been riveting he must have been riveting we must have been riveting you must have been riveting they must have been riveting
Negação
Forma simple
I mustn't rivet you mustn't rivet he mustn't rivet we mustn't rivet you mustn't rivet they mustn't rivet
Forma com V-ing
I mustn't be riveting you mustn't be riveting he mustn't be riveting we mustn't be riveting you mustn't be riveting they mustn't be riveting
Perfeito
I mustn't have riveted you mustn't have riveted he mustn't have riveted we mustn't have riveted you mustn't have riveted they mustn't have riveted
Perfeito com V-ing
I mustn't have been riveting you mustn't have been riveting he mustn't have been riveting we mustn't have been riveting you mustn't have been riveting they mustn't have been riveting
Forma interrogativa
Forma simple
must I rivet? must you rivet? must he rivet? must we rivet? must you rivet? must they rivet?
Forma com V-ing
must I be riveting? must you be riveting? must he be riveting? must we be riveting? must you be riveting? must they be riveting?
Perfeito
must I have riveted? must you have riveted? must he have riveted? must we have riveted? must you have riveted? must they have riveted?
Perfeito com V-ing
must I have been riveting? must you have been riveting? must he have been riveting? must we have been riveting? must you have been riveting? must they have been riveting?
Forma interro-Negação
Forma simple
mustn't I rivet? mustn't you rivet? mustn't he rivet? mustn't we rivet? mustn't you rivet? mustn't they rivet?
Forma com V-ing
mustn't I be riveting? mustn't you be riveting? mustn't he be riveting? mustn't we be riveting? mustn't you be riveting? mustn't they be riveting?
Perfeito
mustn't I have riveted? mustn't you have riveted? mustn't he have riveted? mustn't we have riveted? mustn't you have riveted? mustn't they have riveted?
Perfeito com V-ing
mustn't I have been riveting? mustn't you have been riveting? mustn't he have been riveting? mustn't we have been riveting? mustn't you have been riveting? mustn't they have been riveting?