must enlarge
Regular verb: enlarge - enlarged- enlarged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must enlarge
you must enlarge
she must enlarge
we must enlarge
you must enlarge
they must enlarge 	I must be enlarging
you must be enlarging
she must be enlarging
we must be enlarging
you must be enlarging
they must be enlarging	I must have enlarged
you must have enlarged
she must have enlarged
we must have enlarged
you must have enlarged
they must have enlarged	I must have been enlarging
you must have been enlarging
she must have been enlarging
we must have been enlarging
you must have been enlarging
they must have been enlarging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not enlarge
you must not enlarge
she must not enlarge
we must not enlarge
you must not enlarge
they must not enlarge 	I must not be enlarging
you must not be enlarging
she must not be enlarging
we must not be enlarging
you must not be enlarging
they must not be enlarging	I must not have enlarged
you must not have enlarged
she must not have enlarged
we must not have enlarged
you must not have enlarged
they must not have enlarged	I must not have been enlarging
you must not have been enlarging
she must not have been enlarging
we must not have been enlarging
you must not have been enlarging
they must not have been enlarging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I enlarge?
must you enlarge?
must she enlarge?
must we enlarge?
must you enlarge?
must they enlarge? 	must I be enlarging?
must you be enlarging?
must she be enlarging?
must we be enlarging?
must you be enlarging?
must they be enlarging? 	must I have enlarged?
must you have enlarged?
must she have enlarged?
must we have enlarged?
must you have enlarged?
must they have enlarged? 	must I have been enlarging?
must you have been enlarging?
must she have been enlarging?
must we have been enlarging?
must you have been enlarging?
must they have been enlarging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not enlarge?
must you not enlarge?
must she not enlarge?
must we not enlarge?
must you not enlarge?
must they not enlarge? 	must I not be enlarging?
must you not be enlarging?
must she not be enlarging?
must we not be enlarging?
must you not be enlarging?
must they not be enlarging? 	must I not have enlarged?
must you not have enlarged?
must she not have enlarged?
must we not have enlarged?
must you not have enlarged?
must they not have enlarged? 	must I not have been enlarging?
must you not have been enlarging?
must she not have been enlarging?
must we not have been enlarging?
must you not have been enlarging?
must they not have been enlarging?