English verb conjugation MUST EXPLAIN

Regular verb: explain - explained - explained


Affirmation

Simple form

I must explain
you must explain
he must explain
we must explain
you must explain
they must explain

V-ing form

I must be explaining
you must be explaining
he must be explaining
we must be explaining
you must be explaining
they must be explaining

Perfect

I must have explained
you must have explained
he must have explained
we must have explained
you must have explained
they must have explained

V-ing perfect

I must have been explaining
you must have been explaining
he must have been explaining
we must have been explaining
you must have been explaining
they must have been explaining

Negation

Simple form

I must not explain
you must not explain
he must not explain
we must not explain
you must not explain
they must not explain

V-ing form

I must not be explaining
you must not be explaining
he must not be explaining
we must not be explaining
you must not be explaining
they must not be explaining

Perfect

I must not have explained
you must not have explained
he must not have explained
we must not have explained
you must not have explained
they must not have explained

V-ing perfect

I must not have been explaining
you must not have been explaining
he must not have been explaining
we must not have been explaining
you must not have been explaining
they must not have been explaining

Interrogative form

Simple form

must I explain?
must you explain?
must he explain?
must we explain?
must you explain?
must they explain?

V-ing form

must I be explaining?
must you be explaining?
must he be explaining?
must we be explaining?
must you be explaining?
must they be explaining?

Perfect

must I have explained?
must you have explained?
must he have explained?
must we have explained?
must you have explained?
must they have explained?

V-ing perfect

must I have been explaining?
must you have been explaining?
must he have been explaining?
must we have been explaining?
must you have been explaining?
must they have been explaining?

Interro-negative form

Simple form

must I not explain?
must you not explain?
must he not explain?
must we not explain?
must you not explain?
must they not explain?

V-ing form

must I not be explaining?
must you not be explaining?
must he not be explaining?
must we not be explaining?
must you not be explaining?
must they not be explaining?

Perfect

must I not have explained?
must you not have explained?
must he not have explained?
must we not have explained?
must you not have explained?
must they not have explained?

V-ing perfect

must I not have been explaining?
must you not have been explaining?
must he not have been explaining?
must we not have been explaining?
must you not have been explaining?
must they not have been explaining?