must unlay
Irregular verb: unlay - unlaid- unlaid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unlay
you must unlay
he must unlay
we must unlay
you must unlay
they must unlay 	I must be unlaying
you must be unlaying
he must be unlaying
we must be unlaying
you must be unlaying
they must be unlaying	I must have unlaid
you must have unlaid
he must have unlaid
we must have unlaid
you must have unlaid
they must have unlaid	I must have been unlaying
you must have been unlaying
he must have been unlaying
we must have been unlaying
you must have been unlaying
they must have been unlaying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't unlay
you mustn't unlay
he mustn't unlay
we mustn't unlay
you mustn't unlay
they mustn't unlay 	I mustn't be unlaying
you mustn't be unlaying
he mustn't be unlaying
we mustn't be unlaying
you mustn't be unlaying
they mustn't be unlaying	I mustn't have unlaid
you mustn't have unlaid
he mustn't have unlaid
we mustn't have unlaid
you mustn't have unlaid
they mustn't have unlaid	I mustn't have been unlaying
you mustn't have been unlaying
he mustn't have been unlaying
we mustn't have been unlaying
you mustn't have been unlaying
they mustn't have been unlaying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unlay?
must you unlay?
must he unlay?
must we unlay?
must you unlay?
must they unlay? 	must I be unlaying?
must you be unlaying?
must he be unlaying?
must we be unlaying?
must you be unlaying?
must they be unlaying? 	must I have unlaid?
must you have unlaid?
must he have unlaid?
must we have unlaid?
must you have unlaid?
must they have unlaid? 	must I have been unlaying?
must you have been unlaying?
must he have been unlaying?
must we have been unlaying?
must you have been unlaying?
must they have been unlaying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I unlay?
mustn't you unlay?
mustn't he unlay?
mustn't we unlay?
mustn't you unlay?
mustn't they unlay? 	mustn't I be unlaying?
mustn't you be unlaying?
mustn't he be unlaying?
mustn't we be unlaying?
mustn't you be unlaying?
mustn't they be unlaying? 	mustn't I have unlaid?
mustn't you have unlaid?
mustn't he have unlaid?
mustn't we have unlaid?
mustn't you have unlaid?
mustn't they have unlaid? 	mustn't I have been unlaying?
mustn't you have been unlaying?
mustn't he have been unlaying?
mustn't we have been unlaying?
mustn't you have been unlaying?
mustn't they have been unlaying?