must splay
Regular verb: splay - splayed- splayed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must splay
you must splay
she must splay
we must splay
you must splay
they must splay 	I must be splaying
you must be splaying
she must be splaying
we must be splaying
you must be splaying
they must be splaying	I must have splayed
you must have splayed
she must have splayed
we must have splayed
you must have splayed
they must have splayed	I must have been splaying
you must have been splaying
she must have been splaying
we must have been splaying
you must have been splaying
they must have been splaying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't splay
you mustn't splay
she mustn't splay
we mustn't splay
you mustn't splay
they mustn't splay 	I mustn't be splaying
you mustn't be splaying
she mustn't be splaying
we mustn't be splaying
you mustn't be splaying
they mustn't be splaying	I mustn't have splayed
you mustn't have splayed
she mustn't have splayed
we mustn't have splayed
you mustn't have splayed
they mustn't have splayed	I mustn't have been splaying
you mustn't have been splaying
she mustn't have been splaying
we mustn't have been splaying
you mustn't have been splaying
they mustn't have been splaying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I splay?
must you splay?
must she splay?
must we splay?
must you splay?
must they splay? 	must I be splaying?
must you be splaying?
must she be splaying?
must we be splaying?
must you be splaying?
must they be splaying? 	must I have splayed?
must you have splayed?
must she have splayed?
must we have splayed?
must you have splayed?
must they have splayed? 	must I have been splaying?
must you have been splaying?
must she have been splaying?
must we have been splaying?
must you have been splaying?
must they have been splaying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I splay?
mustn't you splay?
mustn't she splay?
mustn't we splay?
mustn't you splay?
mustn't they splay? 	mustn't I be splaying?
mustn't you be splaying?
mustn't she be splaying?
mustn't we be splaying?
mustn't you be splaying?
mustn't they be splaying? 	mustn't I have splayed?
mustn't you have splayed?
mustn't she have splayed?
mustn't we have splayed?
mustn't you have splayed?
mustn't they have splayed? 	mustn't I have been splaying?
mustn't you have been splaying?
mustn't she have been splaying?
mustn't we have been splaying?
mustn't you have been splaying?
mustn't they have been splaying?