must droop
Regular verb: droop - drooped- drooped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must droop
you must droop
he must droop
we must droop
you must droop
they must droop 	I must be drooping
you must be drooping
he must be drooping
we must be drooping
you must be drooping
they must be drooping	I must have drooped
you must have drooped
he must have drooped
we must have drooped
you must have drooped
they must have drooped	I must have been drooping
you must have been drooping
he must have been drooping
we must have been drooping
you must have been drooping
they must have been drooping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't droop
you mustn't droop
he mustn't droop
we mustn't droop
you mustn't droop
they mustn't droop 	I mustn't be drooping
you mustn't be drooping
he mustn't be drooping
we mustn't be drooping
you mustn't be drooping
they mustn't be drooping	I mustn't have drooped
you mustn't have drooped
he mustn't have drooped
we mustn't have drooped
you mustn't have drooped
they mustn't have drooped	I mustn't have been drooping
you mustn't have been drooping
he mustn't have been drooping
we mustn't have been drooping
you mustn't have been drooping
they mustn't have been drooping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I droop?
must you droop?
must he droop?
must we droop?
must you droop?
must they droop? 	must I be drooping?
must you be drooping?
must he be drooping?
must we be drooping?
must you be drooping?
must they be drooping? 	must I have drooped?
must you have drooped?
must he have drooped?
must we have drooped?
must you have drooped?
must they have drooped? 	must I have been drooping?
must you have been drooping?
must he have been drooping?
must we have been drooping?
must you have been drooping?
must they have been drooping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I droop?
mustn't you droop?
mustn't he droop?
mustn't we droop?
mustn't you droop?
mustn't they droop? 	mustn't I be drooping?
mustn't you be drooping?
mustn't he be drooping?
mustn't we be drooping?
mustn't you be drooping?
mustn't they be drooping? 	mustn't I have drooped?
mustn't you have drooped?
mustn't he have drooped?
mustn't we have drooped?
mustn't you have drooped?
mustn't they have drooped? 	mustn't I have been drooping?
mustn't you have been drooping?
mustn't he have been drooping?
mustn't we have been drooping?
mustn't you have been drooping?
mustn't they have been drooping?