must spout
Regular verb: spout - spouted- spouted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must spout
you must spout
he must spout
we must spout
you must spout
they must spout 	I must be spouting
you must be spouting
he must be spouting
we must be spouting
you must be spouting
they must be spouting	I must have spouted
you must have spouted
he must have spouted
we must have spouted
you must have spouted
they must have spouted	I must have been spouting
you must have been spouting
he must have been spouting
we must have been spouting
you must have been spouting
they must have been spouting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't spout
you mustn't spout
he mustn't spout
we mustn't spout
you mustn't spout
they mustn't spout 	I mustn't be spouting
you mustn't be spouting
he mustn't be spouting
we mustn't be spouting
you mustn't be spouting
they mustn't be spouting	I mustn't have spouted
you mustn't have spouted
he mustn't have spouted
we mustn't have spouted
you mustn't have spouted
they mustn't have spouted	I mustn't have been spouting
you mustn't have been spouting
he mustn't have been spouting
we mustn't have been spouting
you mustn't have been spouting
they mustn't have been spouting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I spout?
must you spout?
must he spout?
must we spout?
must you spout?
must they spout? 	must I be spouting?
must you be spouting?
must he be spouting?
must we be spouting?
must you be spouting?
must they be spouting? 	must I have spouted?
must you have spouted?
must he have spouted?
must we have spouted?
must you have spouted?
must they have spouted? 	must I have been spouting?
must you have been spouting?
must he have been spouting?
must we have been spouting?
must you have been spouting?
must they have been spouting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I spout?
mustn't you spout?
mustn't he spout?
mustn't we spout?
mustn't you spout?
mustn't they spout? 	mustn't I be spouting?
mustn't you be spouting?
mustn't he be spouting?
mustn't we be spouting?
mustn't you be spouting?
mustn't they be spouting? 	mustn't I have spouted?
mustn't you have spouted?
mustn't he have spouted?
mustn't we have spouted?
mustn't you have spouted?
mustn't they have spouted? 	mustn't I have been spouting?
mustn't you have been spouting?
mustn't he have been spouting?
mustn't we have been spouting?
mustn't you have been spouting?
mustn't they have been spouting?