Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I must lay lay you must lay lay she must lay lay we must lay lay you must lay lay they must lay lay
Forma com V-ing
I must be lay laying you must be lay laying she must be lay laying we must be lay laying you must be lay laying they must be lay laying
Perfeito
I must have lay layed you must have lay layed she must have lay layed we must have lay layed you must have lay layed they must have lay layed
Perfeito com V-ing
I must have been lay laying you must have been lay laying she must have been lay laying we must have been lay laying you must have been lay laying they must have been lay laying
Negação
Forma simple
I must not lay lay you must not lay lay she must not lay lay we must not lay lay you must not lay lay they must not lay lay
Forma com V-ing
I must not be lay laying you must not be lay laying she must not be lay laying we must not be lay laying you must not be lay laying they must not be lay laying
Perfeito
I must not have lay layed you must not have lay layed she must not have lay layed we must not have lay layed you must not have lay layed they must not have lay layed
Perfeito com V-ing
I must not have been lay laying you must not have been lay laying she must not have been lay laying we must not have been lay laying you must not have been lay laying they must not have been lay laying
Forma interrogativa
Forma simple
must I lay lay? must you lay lay? must she lay lay? must we lay lay? must you lay lay? must they lay lay?
Forma com V-ing
must I be lay laying? must you be lay laying? must she be lay laying? must we be lay laying? must you be lay laying? must they be lay laying?
Perfeito
must I have lay layed? must you have lay layed? must she have lay layed? must we have lay layed? must you have lay layed? must they have lay layed?
Perfeito com V-ing
must I have been lay laying? must you have been lay laying? must she have been lay laying? must we have been lay laying? must you have been lay laying? must they have been lay laying?
Forma interro-Negação
Forma simple
must I not lay lay? must you not lay lay? must she not lay lay? must we not lay lay? must you not lay lay? must they not lay lay?
Forma com V-ing
must I not be lay laying? must you not be lay laying? must she not be lay laying? must we not be lay laying? must you not be lay laying? must they not be lay laying?
Perfeito
must I not have lay layed? must you not have lay layed? must she not have lay layed? must we not have lay layed? must you not have lay layed? must they not have lay layed?
Perfeito com V-ing
must I not have been lay laying? must you not have been lay laying? must she not have been lay laying? must we not have been lay laying? must you not have been lay laying? must they not have been lay laying?