must encircle
Regular verb: encircle - encircled- encircled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must encircle
you must encircle
she must encircle
we must encircle
you must encircle
they must encircle 	I must be encircling
you must be encircling
she must be encircling
we must be encircling
you must be encircling
they must be encircling	I must have encircled
you must have encircled
she must have encircled
we must have encircled
you must have encircled
they must have encircled	I must have been encircling
you must have been encircling
she must have been encircling
we must have been encircling
you must have been encircling
they must have been encircling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't encircle
you mustn't encircle
she mustn't encircle
we mustn't encircle
you mustn't encircle
they mustn't encircle 	I mustn't be encircling
you mustn't be encircling
she mustn't be encircling
we mustn't be encircling
you mustn't be encircling
they mustn't be encircling	I mustn't have encircled
you mustn't have encircled
she mustn't have encircled
we mustn't have encircled
you mustn't have encircled
they mustn't have encircled	I mustn't have been encircling
you mustn't have been encircling
she mustn't have been encircling
we mustn't have been encircling
you mustn't have been encircling
they mustn't have been encircling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I encircle?
must you encircle?
must she encircle?
must we encircle?
must you encircle?
must they encircle? 	must I be encircling?
must you be encircling?
must she be encircling?
must we be encircling?
must you be encircling?
must they be encircling? 	must I have encircled?
must you have encircled?
must she have encircled?
must we have encircled?
must you have encircled?
must they have encircled? 	must I have been encircling?
must you have been encircling?
must she have been encircling?
must we have been encircling?
must you have been encircling?
must they have been encircling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I encircle?
mustn't you encircle?
mustn't she encircle?
mustn't we encircle?
mustn't you encircle?
mustn't they encircle? 	mustn't I be encircling?
mustn't you be encircling?
mustn't she be encircling?
mustn't we be encircling?
mustn't you be encircling?
mustn't they be encircling? 	mustn't I have encircled?
mustn't you have encircled?
mustn't she have encircled?
mustn't we have encircled?
mustn't you have encircled?
mustn't they have encircled? 	mustn't I have been encircling?
mustn't you have been encircling?
mustn't she have been encircling?
mustn't we have been encircling?
mustn't you have been encircling?
mustn't they have been encircling?