must assert
Regular verb: assert - asserted- asserted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must assert
you must assert
he must assert
we must assert
you must assert
they must assert 	I must be asserting
you must be asserting
he must be asserting
we must be asserting
you must be asserting
they must be asserting	I must have asserted
you must have asserted
he must have asserted
we must have asserted
you must have asserted
they must have asserted	I must have been asserting
you must have been asserting
he must have been asserting
we must have been asserting
you must have been asserting
they must have been asserting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not assert
you must not assert
he must not assert
we must not assert
you must not assert
they must not assert 	I must not be asserting
you must not be asserting
he must not be asserting
we must not be asserting
you must not be asserting
they must not be asserting	I must not have asserted
you must not have asserted
he must not have asserted
we must not have asserted
you must not have asserted
they must not have asserted	I must not have been asserting
you must not have been asserting
he must not have been asserting
we must not have been asserting
you must not have been asserting
they must not have been asserting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I assert?
must you assert?
must he assert?
must we assert?
must you assert?
must they assert? 	must I be asserting?
must you be asserting?
must he be asserting?
must we be asserting?
must you be asserting?
must they be asserting? 	must I have asserted?
must you have asserted?
must he have asserted?
must we have asserted?
must you have asserted?
must they have asserted? 	must I have been asserting?
must you have been asserting?
must he have been asserting?
must we have been asserting?
must you have been asserting?
must they have been asserting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not assert?
must you not assert?
must he not assert?
must we not assert?
must you not assert?
must they not assert? 	must I not be asserting?
must you not be asserting?
must he not be asserting?
must we not be asserting?
must you not be asserting?
must they not be asserting? 	must I not have asserted?
must you not have asserted?
must he not have asserted?
must we not have asserted?
must you not have asserted?
must they not have asserted? 	must I not have been asserting?
must you not have been asserting?
must he not have been asserting?
must we not have been asserting?
must you not have been asserting?
must they not have been asserting?