must summarise
Regular verb: summarise - summarised- summarised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must summarise
you must summarise
he must summarise
we must summarise
you must summarise
they must summarise 	I must be summarising
you must be summarising
he must be summarising
we must be summarising
you must be summarising
they must be summarising	I must have summarised
you must have summarised
he must have summarised
we must have summarised
you must have summarised
they must have summarised	I must have been summarising
you must have been summarising
he must have been summarising
we must have been summarising
you must have been summarising
they must have been summarising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't summarise
you mustn't summarise
he mustn't summarise
we mustn't summarise
you mustn't summarise
they mustn't summarise 	I mustn't be summarising
you mustn't be summarising
he mustn't be summarising
we mustn't be summarising
you mustn't be summarising
they mustn't be summarising	I mustn't have summarised
you mustn't have summarised
he mustn't have summarised
we mustn't have summarised
you mustn't have summarised
they mustn't have summarised	I mustn't have been summarising
you mustn't have been summarising
he mustn't have been summarising
we mustn't have been summarising
you mustn't have been summarising
they mustn't have been summarising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I summarise?
must you summarise?
must he summarise?
must we summarise?
must you summarise?
must they summarise? 	must I be summarising?
must you be summarising?
must he be summarising?
must we be summarising?
must you be summarising?
must they be summarising? 	must I have summarised?
must you have summarised?
must he have summarised?
must we have summarised?
must you have summarised?
must they have summarised? 	must I have been summarising?
must you have been summarising?
must he have been summarising?
must we have been summarising?
must you have been summarising?
must they have been summarising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I summarise?
mustn't you summarise?
mustn't he summarise?
mustn't we summarise?
mustn't you summarise?
mustn't they summarise? 	mustn't I be summarising?
mustn't you be summarising?
mustn't he be summarising?
mustn't we be summarising?
mustn't you be summarising?
mustn't they be summarising? 	mustn't I have summarised?
mustn't you have summarised?
mustn't he have summarised?
mustn't we have summarised?
mustn't you have summarised?
mustn't they have summarised? 	mustn't I have been summarising?
mustn't you have been summarising?
mustn't he have been summarising?
mustn't we have been summarising?
mustn't you have been summarising?
mustn't they have been summarising?