must surmise
Regular verb: surmise - surmised- surmised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must surmise
you must surmise
he must surmise
we must surmise
you must surmise
they must surmise 	I must be surmising
you must be surmising
he must be surmising
we must be surmising
you must be surmising
they must be surmising	I must have surmised
you must have surmised
he must have surmised
we must have surmised
you must have surmised
they must have surmised	I must have been surmising
you must have been surmising
he must have been surmising
we must have been surmising
you must have been surmising
they must have been surmising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't surmise
you mustn't surmise
he mustn't surmise
we mustn't surmise
you mustn't surmise
they mustn't surmise 	I mustn't be surmising
you mustn't be surmising
he mustn't be surmising
we mustn't be surmising
you mustn't be surmising
they mustn't be surmising	I mustn't have surmised
you mustn't have surmised
he mustn't have surmised
we mustn't have surmised
you mustn't have surmised
they mustn't have surmised	I mustn't have been surmising
you mustn't have been surmising
he mustn't have been surmising
we mustn't have been surmising
you mustn't have been surmising
they mustn't have been surmising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I surmise?
must you surmise?
must he surmise?
must we surmise?
must you surmise?
must they surmise? 	must I be surmising?
must you be surmising?
must he be surmising?
must we be surmising?
must you be surmising?
must they be surmising? 	must I have surmised?
must you have surmised?
must he have surmised?
must we have surmised?
must you have surmised?
must they have surmised? 	must I have been surmising?
must you have been surmising?
must he have been surmising?
must we have been surmising?
must you have been surmising?
must they have been surmising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I surmise?
mustn't you surmise?
mustn't he surmise?
mustn't we surmise?
mustn't you surmise?
mustn't they surmise? 	mustn't I be surmising?
mustn't you be surmising?
mustn't he be surmising?
mustn't we be surmising?
mustn't you be surmising?
mustn't they be surmising? 	mustn't I have surmised?
mustn't you have surmised?
mustn't he have surmised?
mustn't we have surmised?
mustn't you have surmised?
mustn't they have surmised? 	mustn't I have been surmising?
mustn't you have been surmising?
mustn't he have been surmising?
mustn't we have been surmising?
mustn't you have been surmising?
mustn't they have been surmising?