English verb conjugation
MUST ENTOMB

Regular verb: entomb - entombed - entombed

Affirmation

Simple form	V-ing form
I must entomb you must entomb she must entomb we must entomb you must entomb they must entomb	I must be entombing you must be entombing she must be entombing we must be entombing you must be entombing they must be entombing
Perfect	V-ing perfect
I must have entombed you must have entombed she must have entombed we must have entombed you must have entombed they must have entombed	I must have been entombing you must have been entombing she must have been entombing we must have been entombing you must have been entombing they must have been entombing

Negation

Simple form	V-ing form
I mustn't entomb you mustn't entomb she mustn't entomb we mustn't entomb you mustn't entomb they mustn't entomb	I mustn't be entombing you mustn't be entombing she mustn't be entombing we mustn't be entombing you mustn't be entombing they mustn't be entombing
Perfect	V-ing perfect
I mustn't have entombed you mustn't have entombed she mustn't have entombed we mustn't have entombed you mustn't have entombed they mustn't have entombed	I mustn't have been entombing you mustn't have been entombing she mustn't have been entombing we mustn't have been entombing you mustn't have been entombing they mustn't have been entombing

Interrogative form

Simple form	V-ing form
must I entomb? must you entomb? must she entomb? must we entomb? must you entomb? must they entomb?	must I be entombing? must you be entombing? must she be entombing? must we be entombing? must you be entombing? must they be entombing?
Perfect	V-ing perfect
must I have entombed? must you have entombed? must she have entombed? must we have entombed? must you have entombed? must they have entombed?	must I have been entombing? must you have been entombing? must she have been entombing? must we have been entombing? must you have been entombing? must they have been entombing?

Interro-negative form

Simple form	V-ing form
mustn't I entomb? mustn't you entomb? mustn't she entomb? mustn't we entomb? mustn't you entomb? mustn't they entomb?	mustn't I be entombing? mustn't you be entombing? mustn't she be entombing? mustn't we be entombing? mustn't you be entombing? mustn't they be entombing?
Perfect	V-ing perfect
mustn't I have entombed? mustn't you have entombed? mustn't she have entombed? mustn't we have entombed? mustn't you have entombed? mustn't they have entombed?	mustn't I have been entombing? mustn't you have been entombing? mustn't she have been entombing? mustn't we have been entombing? mustn't you have been entombing? mustn't they have been entombing?