must patch
Verbo regular: patch - patched- patched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must patch
you must patch
she must patch
we must patch
you must patch
they must patch 	I must be patching
you must be patching
she must be patching
we must be patching
you must be patching
they must be patching	I must have patched
you must have patched
she must have patched
we must have patched
you must have patched
they must have patched	I must have been patching
you must have been patching
she must have been patching
we must have been patching
you must have been patching
they must have been patching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't patch
you mustn't patch
she mustn't patch
we mustn't patch
you mustn't patch
they mustn't patch 	I mustn't be patching
you mustn't be patching
she mustn't be patching
we mustn't be patching
you mustn't be patching
they mustn't be patching	I mustn't have patched
you mustn't have patched
she mustn't have patched
we mustn't have patched
you mustn't have patched
they mustn't have patched	I mustn't have been patching
you mustn't have been patching
she mustn't have been patching
we mustn't have been patching
you mustn't have been patching
they mustn't have been patching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I patch?
must you patch?
must she patch?
must we patch?
must you patch?
must they patch? 	must I be patching?
must you be patching?
must she be patching?
must we be patching?
must you be patching?
must they be patching? 	must I have patched?
must you have patched?
must she have patched?
must we have patched?
must you have patched?
must they have patched? 	must I have been patching?
must you have been patching?
must she have been patching?
must we have been patching?
must you have been patching?
must they have been patching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I patch?
mustn't you patch?
mustn't she patch?
mustn't we patch?
mustn't you patch?
mustn't they patch? 	mustn't I be patching?
mustn't you be patching?
mustn't she be patching?
mustn't we be patching?
mustn't you be patching?
mustn't they be patching? 	mustn't I have patched?
mustn't you have patched?
mustn't she have patched?
mustn't we have patched?
mustn't you have patched?
mustn't they have patched? 	mustn't I have been patching?
mustn't you have been patching?
mustn't she have been patching?
mustn't we have been patching?
mustn't you have been patching?
mustn't they have been patching?