must sprinkle
Regular verb: sprinkle - sprinkled- sprinkled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sprinkle
you must sprinkle
she must sprinkle
we must sprinkle
you must sprinkle
they must sprinkle 	I must be sprinkling
you must be sprinkling
she must be sprinkling
we must be sprinkling
you must be sprinkling
they must be sprinkling	I must have sprinkled
you must have sprinkled
she must have sprinkled
we must have sprinkled
you must have sprinkled
they must have sprinkled	I must have been sprinkling
you must have been sprinkling
she must have been sprinkling
we must have been sprinkling
you must have been sprinkling
they must have been sprinkling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't sprinkle
you mustn't sprinkle
she mustn't sprinkle
we mustn't sprinkle
you mustn't sprinkle
they mustn't sprinkle 	I mustn't be sprinkling
you mustn't be sprinkling
she mustn't be sprinkling
we mustn't be sprinkling
you mustn't be sprinkling
they mustn't be sprinkling	I mustn't have sprinkled
you mustn't have sprinkled
she mustn't have sprinkled
we mustn't have sprinkled
you mustn't have sprinkled
they mustn't have sprinkled	I mustn't have been sprinkling
you mustn't have been sprinkling
she mustn't have been sprinkling
we mustn't have been sprinkling
you mustn't have been sprinkling
they mustn't have been sprinkling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sprinkle?
must you sprinkle?
must she sprinkle?
must we sprinkle?
must you sprinkle?
must they sprinkle? 	must I be sprinkling?
must you be sprinkling?
must she be sprinkling?
must we be sprinkling?
must you be sprinkling?
must they be sprinkling? 	must I have sprinkled?
must you have sprinkled?
must she have sprinkled?
must we have sprinkled?
must you have sprinkled?
must they have sprinkled? 	must I have been sprinkling?
must you have been sprinkling?
must she have been sprinkling?
must we have been sprinkling?
must you have been sprinkling?
must they have been sprinkling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I sprinkle?
mustn't you sprinkle?
mustn't she sprinkle?
mustn't we sprinkle?
mustn't you sprinkle?
mustn't they sprinkle? 	mustn't I be sprinkling?
mustn't you be sprinkling?
mustn't she be sprinkling?
mustn't we be sprinkling?
mustn't you be sprinkling?
mustn't they be sprinkling? 	mustn't I have sprinkled?
mustn't you have sprinkled?
mustn't she have sprinkled?
mustn't we have sprinkled?
mustn't you have sprinkled?
mustn't they have sprinkled? 	mustn't I have been sprinkling?
mustn't you have been sprinkling?
mustn't she have been sprinkling?
mustn't we have been sprinkling?
mustn't you have been sprinkling?
mustn't they have been sprinkling?