English verb conjugation
MUST ENTRAIN

Regular verb: entrain - entrained - entrained

Affirmation

Simple form	V-ing form
I must entrain you must entrain he must entrain we must entrain you must entrain they must entrain	I must be entraining you must be entraining he must be entraining we must be entraining you must be entraining they must be entraining
Perfect	V-ing perfect
I must have entrained you must have entrained he must have entrained we must have entrained you must have entrained they must have entrained	I must have been entraining you must have been entraining he must have been entraining we must have been entraining you must have been entraining they must have been entraining

Negation

Simple form	V-ing form
I must not entrain you must not entrain he must not entrain we must not entrain you must not entrain they must not entrain	I must not be entraining you must not be entraining he must not be entraining we must not be entraining you must not be entraining they must not be entraining
Perfect	V-ing perfect
I must not have entrained you must not have entrained he must not have entrained we must not have entrained you must not have entrained they must not have entrained	I must not have been entraining you must not have been entraining he must not have been entraining we must not have been entraining you must not have been entraining they must not have been entraining

Interrogative form

Simple form	V-ing form
must I entrain? must you entrain? must he entrain? must we entrain? must you entrain? must they entrain?	must I be entraining? must you be entraining? must he be entraining? must we be entraining? must you be entraining? must they be entraining?
Perfect	V-ing perfect
must I have entrained? must you have entrained? must he have entrained? must we have entrained? must you have entrained? must they have entrained?	must I have been entraining? must you have been entraining? must he have been entraining? must we have been entraining? must you have been entraining? must they have been entraining?

Interro-negative form

Simple form	V-ing form
must I not entrain? must you not entrain? must he not entrain? must we not entrain? must you not entrain? must they not entrain?	must I not be entraining? must you not be entraining? must he not be entraining? must we not be entraining? must you not be entraining? must they not be entraining?
Perfect	V-ing perfect
must I not have entrained? must you not have entrained? must he not have entrained? must we not have entrained? must you not have entrained? must they not have entrained?	must I not have been entraining? must you not have been entraining? must he not have been entraining? must we not have been entraining? must you not have been entraining? must they not have been entraining?