must patch
Regular verb: patch - patched- patched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must patch
you must patch
he must patch
we must patch
you must patch
they must patch 	I must be patching
you must be patching
he must be patching
we must be patching
you must be patching
they must be patching	I must have patched
you must have patched
he 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
he must have been patching
we must have been patching
you must have been patching
they must have been patching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't patch
you mustn't patch
he 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
he 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
he 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
he mustn't have been patching
we mustn't have been patching
you mustn't have been patching
they mustn't have been patching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I patch?
must you patch?
must he patch?
must we patch?
must you patch?
must they patch? 	must I be patching?
must you be patching?
must he be patching?
must we be patching?
must you be patching?
must they be patching? 	must I have patched?
must you have patched?
must he 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 he have been patching?
must we have been patching?
must you have been patching?
must they have been patching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I patch?
mustn't you patch?
mustn't he 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 he 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 he 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 he have been patching?
mustn't we have been patching?
mustn't you have been patching?
mustn't they have been patching?