must slub
Verbo regular: slub - slubed- slubed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must slub
you must slub
he must slub
we must slub
you must slub
they must slub 	I must be slubing
you must be slubing
he must be slubing
we must be slubing
you must be slubing
they must be slubing	I must have slubed
you must have slubed
he must have slubed
we must have slubed
you must have slubed
they must have slubed	I must have been slubing
you must have been slubing
he must have been slubing
we must have been slubing
you must have been slubing
they must have been slubing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't slub
you mustn't slub
he mustn't slub
we mustn't slub
you mustn't slub
they mustn't slub 	I mustn't be slubing
you mustn't be slubing
he mustn't be slubing
we mustn't be slubing
you mustn't be slubing
they mustn't be slubing	I mustn't have slubed
you mustn't have slubed
he mustn't have slubed
we mustn't have slubed
you mustn't have slubed
they mustn't have slubed	I mustn't have been slubing
you mustn't have been slubing
he mustn't have been slubing
we mustn't have been slubing
you mustn't have been slubing
they mustn't have been slubing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I slub?
must you slub?
must he slub?
must we slub?
must you slub?
must they slub? 	must I be slubing?
must you be slubing?
must he be slubing?
must we be slubing?
must you be slubing?
must they be slubing? 	must I have slubed?
must you have slubed?
must he have slubed?
must we have slubed?
must you have slubed?
must they have slubed? 	must I have been slubing?
must you have been slubing?
must he have been slubing?
must we have been slubing?
must you have been slubing?
must they have been slubing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I slub?
mustn't you slub?
mustn't he slub?
mustn't we slub?
mustn't you slub?
mustn't they slub? 	mustn't I be slubing?
mustn't you be slubing?
mustn't he be slubing?
mustn't we be slubing?
mustn't you be slubing?
mustn't they be slubing? 	mustn't I have slubed?
mustn't you have slubed?
mustn't he have slubed?
mustn't we have slubed?
mustn't you have slubed?
mustn't they have slubed? 	mustn't I have been slubing?
mustn't you have been slubing?
mustn't he have been slubing?
mustn't we have been slubing?
mustn't you have been slubing?
mustn't they have been slubing?