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