must stink
Irregular verb: stink - stank- stunk

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stink
you must stink
she must stink
we must stink
you must stink
they must stink 	I must be stinking
you must be stinking
she must be stinking
we must be stinking
you must be stinking
they must be stinking	I must have stunk
you must have stunk
she must have stunk
we must have stunk
you must have stunk
they must have stunk	I must have been stinking
you must have been stinking
she must have been stinking
we must have been stinking
you must have been stinking
they must have been stinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't stink
you mustn't stink
she mustn't stink
we mustn't stink
you mustn't stink
they mustn't stink 	I mustn't be stinking
you mustn't be stinking
she mustn't be stinking
we mustn't be stinking
you mustn't be stinking
they mustn't be stinking	I mustn't have stunk
you mustn't have stunk
she mustn't have stunk
we mustn't have stunk
you mustn't have stunk
they mustn't have stunk	I mustn't have been stinking
you mustn't have been stinking
she mustn't have been stinking
we mustn't have been stinking
you mustn't have been stinking
they mustn't have been stinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stink?
must you stink?
must she stink?
must we stink?
must you stink?
must they stink? 	must I be stinking?
must you be stinking?
must she be stinking?
must we be stinking?
must you be stinking?
must they be stinking? 	must I have stunk?
must you have stunk?
must she have stunk?
must we have stunk?
must you have stunk?
must they have stunk? 	must I have been stinking?
must you have been stinking?
must she have been stinking?
must we have been stinking?
must you have been stinking?
must they have been stinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I stink?
mustn't you stink?
mustn't she stink?
mustn't we stink?
mustn't you stink?
mustn't they stink? 	mustn't I be stinking?
mustn't you be stinking?
mustn't she be stinking?
mustn't we be stinking?
mustn't you be stinking?
mustn't they be stinking? 	mustn't I have stunk?
mustn't you have stunk?
mustn't she have stunk?
mustn't we have stunk?
mustn't you have stunk?
mustn't they have stunk? 	mustn't I have been stinking?
mustn't you have been stinking?
mustn't she have been stinking?
mustn't we have been stinking?
mustn't you have been stinking?
mustn't they have been stinking?