I must entail you must entail he must entail we must entail you must entail they must entail
V-ing form
I must be entailing you must be entailing he must be entailing we must be entailing you must be entailing they must be entailing
Perfect
I must have entailed you must have entailed he 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 he must have been entailing we must have been entailing you must have been entailing they must have been entailing
Negation
Simple form
I must not entail you must not entail he must not entail we must not entail you must not entail they must not entail
V-ing form
I must not be entailing you must not be entailing he must not be entailing we must not be entailing you must not be entailing they must not be entailing
Perfect
I must not have entailed you must not have entailed he must not have entailed we must not have entailed you must not have entailed they must not have entailed
V-ing perfect
I must not have been entailing you must not have been entailing he must not have been entailing we must not have been entailing you must not have been entailing they must not have been entailing
Interrogative form
Simple form
must I entail? must you entail? must he entail? must we entail? must you entail? must they entail?
V-ing form
must I be entailing? must you be entailing? must he be entailing? must we be entailing? must you be entailing? must they be entailing?
Perfect
must I have entailed? must you have entailed? must he 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 he have been entailing? must we have been entailing? must you have been entailing? must they have been entailing?
Interro-negative form
Simple form
must I not entail? must you not entail? must he not entail? must we not entail? must you not entail? must they not entail?
V-ing form
must I not be entailing? must you not be entailing? must he not be entailing? must we not be entailing? must you not be entailing? must they not be entailing?
Perfect
must I not have entailed? must you not have entailed? must he not have entailed? must we not have entailed? must you not have entailed? must they not have entailed?
V-ing perfect
must I not have been entailing? must you not have been entailing? must he not have been entailing? must we not have been entailing? must you not have been entailing? must they not have been entailing?