must lay
Verbo irregolare: lay - laid- laid

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must lay
you must lay
she must lay
we must lay
you must lay
they must lay 	I must be laying
you must be laying
she must be laying
we must be laying
you must be laying
they must be laying	I must have laid
you must have laid
she must have laid
we must have laid
you must have laid
they must have laid	I must have been laying
you must have been laying
she must have been laying
we must have been laying
you must have been laying
they must have been laying	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't lay
you mustn't lay
she mustn't lay
we mustn't lay
you mustn't lay
they mustn't lay 	I mustn't be laying
you mustn't be laying
she mustn't be laying
we mustn't be laying
you mustn't be laying
they mustn't be laying	I mustn't have laid
you mustn't have laid
she mustn't have laid
we mustn't have laid
you mustn't have laid
they mustn't have laid	I mustn't have been laying
you mustn't have been laying
she mustn't have been laying
we mustn't have been laying
you mustn't have been laying
they mustn't have been laying	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I lay?
must you lay?
must she lay?
must we lay?
must you lay?
must they lay? 	must I be laying?
must you be laying?
must she be laying?
must we be laying?
must you be laying?
must they be laying? 	must I have laid?
must you have laid?
must she have laid?
must we have laid?
must you have laid?
must they have laid? 	must I have been laying?
must you have been laying?
must she have been laying?
must we have been laying?
must you have been laying?
must they have been laying? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I lay?
mustn't you lay?
mustn't she lay?
mustn't we lay?
mustn't you lay?
mustn't they lay? 	mustn't I be laying?
mustn't you be laying?
mustn't she be laying?
mustn't we be laying?
mustn't you be laying?
mustn't they be laying? 	mustn't I have laid?
mustn't you have laid?
mustn't she have laid?
mustn't we have laid?
mustn't you have laid?
mustn't they have laid? 	mustn't I have been laying?
mustn't you have been laying?
mustn't she have been laying?
mustn't we have been laying?
mustn't you have been laying?
mustn't they have been laying?