I must fishtail you must fishtail she must fishtail we must fishtail you must fishtail they must fishtail
Forma com V-ing
I must be fishtailing you must be fishtailing she must be fishtailing we must be fishtailing you must be fishtailing they must be fishtailing
Perfeito
I must have fishtailed you must have fishtailed she must have fishtailed we must have fishtailed you must have fishtailed they must have fishtailed
Perfeito com V-ing
I must have been fishtailing you must have been fishtailing she must have been fishtailing we must have been fishtailing you must have been fishtailing they must have been fishtailing
Negação
Forma simple
I mustn't fishtail you mustn't fishtail she mustn't fishtail we mustn't fishtail you mustn't fishtail they mustn't fishtail
Forma com V-ing
I mustn't be fishtailing you mustn't be fishtailing she mustn't be fishtailing we mustn't be fishtailing you mustn't be fishtailing they mustn't be fishtailing
Perfeito
I mustn't have fishtailed you mustn't have fishtailed she mustn't have fishtailed we mustn't have fishtailed you mustn't have fishtailed they mustn't have fishtailed
Perfeito com V-ing
I mustn't have been fishtailing you mustn't have been fishtailing she mustn't have been fishtailing we mustn't have been fishtailing you mustn't have been fishtailing they mustn't have been fishtailing
Forma interrogativa
Forma simple
must I fishtail? must you fishtail? must she fishtail? must we fishtail? must you fishtail? must they fishtail?
Forma com V-ing
must I be fishtailing? must you be fishtailing? must she be fishtailing? must we be fishtailing? must you be fishtailing? must they be fishtailing?
Perfeito
must I have fishtailed? must you have fishtailed? must she have fishtailed? must we have fishtailed? must you have fishtailed? must they have fishtailed?
Perfeito com V-ing
must I have been fishtailing? must you have been fishtailing? must she have been fishtailing? must we have been fishtailing? must you have been fishtailing? must they have been fishtailing?
Forma interro-Negação
Forma simple
mustn't I fishtail? mustn't you fishtail? mustn't she fishtail? mustn't we fishtail? mustn't you fishtail? mustn't they fishtail?
Forma com V-ing
mustn't I be fishtailing? mustn't you be fishtailing? mustn't she be fishtailing? mustn't we be fishtailing? mustn't you be fishtailing? mustn't they be fishtailing?
Perfeito
mustn't I have fishtailed? mustn't you have fishtailed? mustn't she have fishtailed? mustn't we have fishtailed? mustn't you have fishtailed? mustn't they have fishtailed?
Perfeito com V-ing
mustn't I have been fishtailing? mustn't you have been fishtailing? mustn't she have been fishtailing? mustn't we have been fishtailing? mustn't you have been fishtailing? mustn't they have been fishtailing?