must mop
Verbo regular: mop - mopped- mopped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must mop
you must mop
he must mop
we must mop
you must mop
they must mop 	I must be mopping
you must be mopping
he must be mopping
we must be mopping
you must be mopping
they must be mopping	I must have mopped
you must have mopped
he must have mopped
we must have mopped
you must have mopped
they must have mopped	I must have been mopping
you must have been mopping
he must have been mopping
we must have been mopping
you must have been mopping
they must have been mopping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't mop
you mustn't mop
he mustn't mop
we mustn't mop
you mustn't mop
they mustn't mop 	I mustn't be mopping
you mustn't be mopping
he mustn't be mopping
we mustn't be mopping
you mustn't be mopping
they mustn't be mopping	I mustn't have mopped
you mustn't have mopped
he mustn't have mopped
we mustn't have mopped
you mustn't have mopped
they mustn't have mopped	I mustn't have been mopping
you mustn't have been mopping
he mustn't have been mopping
we mustn't have been mopping
you mustn't have been mopping
they mustn't have been mopping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I mop?
must you mop?
must he mop?
must we mop?
must you mop?
must they mop? 	must I be mopping?
must you be mopping?
must he be mopping?
must we be mopping?
must you be mopping?
must they be mopping? 	must I have mopped?
must you have mopped?
must he have mopped?
must we have mopped?
must you have mopped?
must they have mopped? 	must I have been mopping?
must you have been mopping?
must he have been mopping?
must we have been mopping?
must you have been mopping?
must they have been mopping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I mop?
mustn't you mop?
mustn't he mop?
mustn't we mop?
mustn't you mop?
mustn't they mop? 	mustn't I be mopping?
mustn't you be mopping?
mustn't he be mopping?
mustn't we be mopping?
mustn't you be mopping?
mustn't they be mopping? 	mustn't I have mopped?
mustn't you have mopped?
mustn't he have mopped?
mustn't we have mopped?
mustn't you have mopped?
mustn't they have mopped? 	mustn't I have been mopping?
mustn't you have been mopping?
mustn't he have been mopping?
mustn't we have been mopping?
mustn't you have been mopping?
mustn't they have been mopping?