I must entail you must entail she must entail we must entail you must entail they must entail
V-ing form
I must be entailing you must be entailing she must be entailing we must be entailing you must be entailing they must be entailing
Perfect
I must have entailed you must have entailed she must have entailed we must have entailed you must have entailed they must have entailed
V-ing perfect
I must have been entailing you must have been entailing she must have been entailing we must have been entailing you must have been entailing they must have been entailing
Negation
Simple form
I mustn't entail you mustn't entail she mustn't entail we mustn't entail you mustn't entail they mustn't entail
V-ing form
I mustn't be entailing you mustn't be entailing she mustn't be entailing we mustn't be entailing you mustn't be entailing they mustn't be entailing
Perfect
I mustn't have entailed you mustn't have entailed she mustn't have entailed we mustn't have entailed you mustn't have entailed they mustn't have entailed
V-ing perfect
I mustn't have been entailing you mustn't have been entailing she mustn't have been entailing we mustn't have been entailing you mustn't have been entailing they mustn't have been entailing
Interrogative form
Simple form
must I entail? must you entail? must she entail? must we entail? must you entail? must they entail?
V-ing form
must I be entailing? must you be entailing? must she be entailing? must we be entailing? must you be entailing? must they be entailing?
Perfect
must I have entailed? must you have entailed? must she have entailed? must we have entailed? must you have entailed? must they have entailed?
V-ing perfect
must I have been entailing? must you have been entailing? must she have been entailing? must we have been entailing? must you have been entailing? must they have been entailing?
Interro-negative form
Simple form
mustn't I entail? mustn't you entail? mustn't she entail? mustn't we entail? mustn't you entail? mustn't they entail?
V-ing form
mustn't I be entailing? mustn't you be entailing? mustn't she be entailing? mustn't we be entailing? mustn't you be entailing? mustn't they be entailing?
Perfect
mustn't I have entailed? mustn't you have entailed? mustn't she have entailed? mustn't we have entailed? mustn't you have entailed? mustn't they have entailed?
V-ing perfect
mustn't I have been entailing? mustn't you have been entailing? mustn't she have been entailing? mustn't we have been entailing? mustn't you have been entailing? mustn't they have been entailing?