must entail
Verbo regular: entail - entailed- entailed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must entail
you must entail
she must entail
we must entail
you must entail
they must entail 	I must be entailing
you must be entailing
she must be entailing
we must be entailing
you must be entailing
they must be entailing	I must have entailed
you must have entailed
she must have entailed
we must have entailed
you must have entailed
they must have entailed	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not entail
you must not entail
she must not entail
we must not entail
you must not entail
they must not entail 	I must not be entailing
you must not be entailing
she must not be entailing
we must not be entailing
you must not be entailing
they must not be entailing	I must not have entailed
you must not have entailed
she must not have entailed
we must not have entailed
you must not have entailed
they must not have entailed	I must not have been entailing
you must not have been entailing
she must not have been entailing
we must not have been entailing
you must not have been entailing
they must not have been entailing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I entail?
must you entail?
must she entail?
must we entail?
must you entail?
must they entail? 	must I be entailing?
must you be entailing?
must she be entailing?
must we be entailing?
must you be entailing?
must they be entailing? 	must I have entailed?
must you have entailed?
must she have entailed?
must we have entailed?
must you have entailed?
must they have entailed? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not entail?
must you not entail?
must she not entail?
must we not entail?
must you not entail?
must they not entail? 	must I not be entailing?
must you not be entailing?
must she not be entailing?
must we not be entailing?
must you not be entailing?
must they not be entailing? 	must I not have entailed?
must you not have entailed?
must she not have entailed?
must we not have entailed?
must you not have entailed?
must they not have entailed? 	must I not have been entailing?
must you not have been entailing?
must she not have been entailing?
must we not have been entailing?
must you not have been entailing?
must they not have been entailing?