I must slide you must slide she must slide we must slide you must slide they must slide
Forma com V-ing
I must be sliding you must be sliding she must be sliding we must be sliding you must be sliding they must be sliding
Perfeito
I must have slid you must have slid she must have slid we must have slid you must have slid they must have slid
Perfeito com V-ing
I must have been sliding you must have been sliding she must have been sliding we must have been sliding you must have been sliding they must have been sliding
Negação
Forma simple
I mustn't slide you mustn't slide she mustn't slide we mustn't slide you mustn't slide they mustn't slide
Forma com V-ing
I mustn't be sliding you mustn't be sliding she mustn't be sliding we mustn't be sliding you mustn't be sliding they mustn't be sliding
Perfeito
I mustn't have slid you mustn't have slid she mustn't have slid we mustn't have slid you mustn't have slid they mustn't have slid
Perfeito com V-ing
I mustn't have been sliding you mustn't have been sliding she mustn't have been sliding we mustn't have been sliding you mustn't have been sliding they mustn't have been sliding
Forma interrogativa
Forma simple
must I slide? must you slide? must she slide? must we slide? must you slide? must they slide?
Forma com V-ing
must I be sliding? must you be sliding? must she be sliding? must we be sliding? must you be sliding? must they be sliding?
Perfeito
must I have slid? must you have slid? must she have slid? must we have slid? must you have slid? must they have slid?
Perfeito com V-ing
must I have been sliding? must you have been sliding? must she have been sliding? must we have been sliding? must you have been sliding? must they have been sliding?
Forma interro-Negação
Forma simple
mustn't I slide? mustn't you slide? mustn't she slide? mustn't we slide? mustn't you slide? mustn't they slide?
Forma com V-ing
mustn't I be sliding? mustn't you be sliding? mustn't she be sliding? mustn't we be sliding? mustn't you be sliding? mustn't they be sliding?
Perfeito
mustn't I have slid? mustn't you have slid? mustn't she have slid? mustn't we have slid? mustn't you have slid? mustn't they have slid?
Perfeito com V-ing
mustn't I have been sliding? mustn't you have been sliding? mustn't she have been sliding? mustn't we have been sliding? mustn't you have been sliding? mustn't they have been sliding?