must re-establish
Regular verb: re-establish - re-established- re-established

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must re-establish
you must re-establish
she must re-establish
we must re-establish
you must re-establish
they must re-establish 	I must be re-establishing
you must be re-establishing
she must be re-establishing
we must be re-establishing
you must be re-establishing
they must be re-establishing	I must have re-established
you must have re-established
she must have re-established
we must have re-established
you must have re-established
they must have re-established	I must have been re-establishing
you must have been re-establishing
she must have been re-establishing
we must have been re-establishing
you must have been re-establishing
they must have been re-establishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not re-establish
you must not re-establish
she must not re-establish
we must not re-establish
you must not re-establish
they must not re-establish 	I must not be re-establishing
you must not be re-establishing
she must not be re-establishing
we must not be re-establishing
you must not be re-establishing
they must not be re-establishing	I must not have re-established
you must not have re-established
she must not have re-established
we must not have re-established
you must not have re-established
they must not have re-established	I must not have been re-establishing
you must not have been re-establishing
she must not have been re-establishing
we must not have been re-establishing
you must not have been re-establishing
they must not have been re-establishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I re-establish?
must you re-establish?
must she re-establish?
must we re-establish?
must you re-establish?
must they re-establish? 	must I be re-establishing?
must you be re-establishing?
must she be re-establishing?
must we be re-establishing?
must you be re-establishing?
must they be re-establishing? 	must I have re-established?
must you have re-established?
must she have re-established?
must we have re-established?
must you have re-established?
must they have re-established? 	must I have been re-establishing?
must you have been re-establishing?
must she have been re-establishing?
must we have been re-establishing?
must you have been re-establishing?
must they have been re-establishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not re-establish?
must you not re-establish?
must she not re-establish?
must we not re-establish?
must you not re-establish?
must they not re-establish? 	must I not be re-establishing?
must you not be re-establishing?
must she not be re-establishing?
must we not be re-establishing?
must you not be re-establishing?
must they not be re-establishing? 	must I not have re-established?
must you not have re-established?
must she not have re-established?
must we not have re-established?
must you not have re-established?
must they not have re-established? 	must I not have been re-establishing?
must you not have been re-establishing?
must she not have been re-establishing?
must we not have been re-establishing?
must you not have been re-establishing?
must they not have been re-establishing?