must extricate
Regular verb: extricate - extricated- extricated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must extricate
you must extricate
she must extricate
we must extricate
you must extricate
they must extricate 	I must be extricating
you must be extricating
she must be extricating
we must be extricating
you must be extricating
they must be extricating	I must have extricated
you must have extricated
she must have extricated
we must have extricated
you must have extricated
they must have extricated	I must have been extricating
you must have been extricating
she must have been extricating
we must have been extricating
you must have been extricating
they must have been extricating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't extricate
you mustn't extricate
she mustn't extricate
we mustn't extricate
you mustn't extricate
they mustn't extricate 	I mustn't be extricating
you mustn't be extricating
she mustn't be extricating
we mustn't be extricating
you mustn't be extricating
they mustn't be extricating	I mustn't have extricated
you mustn't have extricated
she mustn't have extricated
we mustn't have extricated
you mustn't have extricated
they mustn't have extricated	I mustn't have been extricating
you mustn't have been extricating
she mustn't have been extricating
we mustn't have been extricating
you mustn't have been extricating
they mustn't have been extricating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I extricate?
must you extricate?
must she extricate?
must we extricate?
must you extricate?
must they extricate? 	must I be extricating?
must you be extricating?
must she be extricating?
must we be extricating?
must you be extricating?
must they be extricating? 	must I have extricated?
must you have extricated?
must she have extricated?
must we have extricated?
must you have extricated?
must they have extricated? 	must I have been extricating?
must you have been extricating?
must she have been extricating?
must we have been extricating?
must you have been extricating?
must they have been extricating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I extricate?
mustn't you extricate?
mustn't she extricate?
mustn't we extricate?
mustn't you extricate?
mustn't they extricate? 	mustn't I be extricating?
mustn't you be extricating?
mustn't she be extricating?
mustn't we be extricating?
mustn't you be extricating?
mustn't they be extricating? 	mustn't I have extricated?
mustn't you have extricated?
mustn't she have extricated?
mustn't we have extricated?
mustn't you have extricated?
mustn't they have extricated? 	mustn't I have been extricating?
mustn't you have been extricating?
mustn't she have been extricating?
mustn't we have been extricating?
mustn't you have been extricating?
mustn't they have been extricating?