I must gravel you must gravel she must gravel we must gravel you must gravel they must gravel
Forma com V-ing
I must be gravelling you must be gravelling she must be gravelling we must be gravelling you must be gravelling they must be gravelling
Perfeito
I must have gravelled you must have gravelled she must have gravelled we must have gravelled you must have gravelled they must have gravelled
Perfeito com V-ing
I must have been gravelling you must have been gravelling she must have been gravelling we must have been gravelling you must have been gravelling they must have been gravelling
Negação
Forma simple
I mustn't gravel you mustn't gravel she mustn't gravel we mustn't gravel you mustn't gravel they mustn't gravel
Forma com V-ing
I mustn't be gravelling you mustn't be gravelling she mustn't be gravelling we mustn't be gravelling you mustn't be gravelling they mustn't be gravelling
Perfeito
I mustn't have gravelled you mustn't have gravelled she mustn't have gravelled we mustn't have gravelled you mustn't have gravelled they mustn't have gravelled
Perfeito com V-ing
I mustn't have been gravelling you mustn't have been gravelling she mustn't have been gravelling we mustn't have been gravelling you mustn't have been gravelling they mustn't have been gravelling
Forma interrogativa
Forma simple
must I gravel? must you gravel? must she gravel? must we gravel? must you gravel? must they gravel?
Forma com V-ing
must I be gravelling? must you be gravelling? must she be gravelling? must we be gravelling? must you be gravelling? must they be gravelling?
Perfeito
must I have gravelled? must you have gravelled? must she have gravelled? must we have gravelled? must you have gravelled? must they have gravelled?
Perfeito com V-ing
must I have been gravelling? must you have been gravelling? must she have been gravelling? must we have been gravelling? must you have been gravelling? must they have been gravelling?
Forma interro-Negação
Forma simple
mustn't I gravel? mustn't you gravel? mustn't she gravel? mustn't we gravel? mustn't you gravel? mustn't they gravel?
Forma com V-ing
mustn't I be gravelling? mustn't you be gravelling? mustn't she be gravelling? mustn't we be gravelling? mustn't you be gravelling? mustn't they be gravelling?
Perfeito
mustn't I have gravelled? mustn't you have gravelled? mustn't she have gravelled? mustn't we have gravelled? mustn't you have gravelled? mustn't they have gravelled?
Perfeito com V-ing
mustn't I have been gravelling? mustn't you have been gravelling? mustn't she have been gravelling? mustn't we have been gravelling? mustn't you have been gravelling? mustn't they have been gravelling?