must flourish
Regular verb: flourish - flourished- flourished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must flourish
you must flourish
he must flourish
we must flourish
you must flourish
they must flourish 	I must be flourishing
you must be flourishing
he must be flourishing
we must be flourishing
you must be flourishing
they must be flourishing	I must have flourished
you must have flourished
he must have flourished
we must have flourished
you must have flourished
they must have flourished	I must have been flourishing
you must have been flourishing
he must have been flourishing
we must have been flourishing
you must have been flourishing
they must have been flourishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not flourish
you must not flourish
he must not flourish
we must not flourish
you must not flourish
they must not flourish 	I must not be flourishing
you must not be flourishing
he must not be flourishing
we must not be flourishing
you must not be flourishing
they must not be flourishing	I must not have flourished
you must not have flourished
he must not have flourished
we must not have flourished
you must not have flourished
they must not have flourished	I must not have been flourishing
you must not have been flourishing
he must not have been flourishing
we must not have been flourishing
you must not have been flourishing
they must not have been flourishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I flourish?
must you flourish?
must he flourish?
must we flourish?
must you flourish?
must they flourish? 	must I be flourishing?
must you be flourishing?
must he be flourishing?
must we be flourishing?
must you be flourishing?
must they be flourishing? 	must I have flourished?
must you have flourished?
must he have flourished?
must we have flourished?
must you have flourished?
must they have flourished? 	must I have been flourishing?
must you have been flourishing?
must he have been flourishing?
must we have been flourishing?
must you have been flourishing?
must they have been flourishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not flourish?
must you not flourish?
must he not flourish?
must we not flourish?
must you not flourish?
must they not flourish? 	must I not be flourishing?
must you not be flourishing?
must he not be flourishing?
must we not be flourishing?
must you not be flourishing?
must they not be flourishing? 	must I not have flourished?
must you not have flourished?
must he not have flourished?
must we not have flourished?
must you not have flourished?
must they not have flourished? 	must I not have been flourishing?
must you not have been flourishing?
must he not have been flourishing?
must we not have been flourishing?
must you not have been flourishing?
must they not have been flourishing?