must enlace
Regular verb: enlace - enlaced- enlaced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must enlace
you must enlace
he must enlace
we must enlace
you must enlace
they must enlace 	I must be enlacing
you must be enlacing
he must be enlacing
we must be enlacing
you must be enlacing
they must be enlacing	I must have enlaced
you must have enlaced
he must have enlaced
we must have enlaced
you must have enlaced
they must have enlaced	I must have been enlacing
you must have been enlacing
he must have been enlacing
we must have been enlacing
you must have been enlacing
they must have been enlacing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not enlace
you must not enlace
he must not enlace
we must not enlace
you must not enlace
they must not enlace 	I must not be enlacing
you must not be enlacing
he must not be enlacing
we must not be enlacing
you must not be enlacing
they must not be enlacing	I must not have enlaced
you must not have enlaced
he must not have enlaced
we must not have enlaced
you must not have enlaced
they must not have enlaced	I must not have been enlacing
you must not have been enlacing
he must not have been enlacing
we must not have been enlacing
you must not have been enlacing
they must not have been enlacing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I enlace?
must you enlace?
must he enlace?
must we enlace?
must you enlace?
must they enlace? 	must I be enlacing?
must you be enlacing?
must he be enlacing?
must we be enlacing?
must you be enlacing?
must they be enlacing? 	must I have enlaced?
must you have enlaced?
must he have enlaced?
must we have enlaced?
must you have enlaced?
must they have enlaced? 	must I have been enlacing?
must you have been enlacing?
must he have been enlacing?
must we have been enlacing?
must you have been enlacing?
must they have been enlacing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not enlace?
must you not enlace?
must he not enlace?
must we not enlace?
must you not enlace?
must they not enlace? 	must I not be enlacing?
must you not be enlacing?
must he not be enlacing?
must we not be enlacing?
must you not be enlacing?
must they not be enlacing? 	must I not have enlaced?
must you not have enlaced?
must he not have enlaced?
must we not have enlaced?
must you not have enlaced?
must they not have enlaced? 	must I not have been enlacing?
must you not have been enlacing?
must he not have been enlacing?
must we not have been enlacing?
must you not have been enlacing?
must they not have been enlacing?