The Conjugator
English verb conjugation
MUST ECHO

Regular verb: echo - echoed - echoed

Affirmation

Simple form

V-ing form

I must echo
you must echo
she must echo
we must echo
you must echo
they must echo
I must be echoing
you must be echoing
she must be echoing
we must be echoing
you must be echoing
they must be echoing

Perfect

V-ing perfect

I must have echoed
you must have echoed
she must have echoed
we must have echoed
you must have echoed
they must have echoed
I must have been echoing
you must have been echoing
she must have been echoing
we must have been echoing
you must have been echoing
they must have been echoing

Negation

Simple form

V-ing form

I must not echo
you must not echo
she must not echo
we must not echo
you must not echo
they must not echo
I must not be echoing
you must not be echoing
she must not be echoing
we must not be echoing
you must not be echoing
they must not be echoing

Perfect

V-ing perfect

I must not have echoed
you must not have echoed
she must not have echoed
we must not have echoed
you must not have echoed
they must not have echoed
I must not have been echoing
you must not have been echoing
she must not have been echoing
we must not have been echoing
you must not have been echoing
they must not have been echoing

Interrogative form

Simple form

V-ing form

must I echo?
must you echo?
must she echo?
must we echo?
must you echo?
must they echo?
must I be echoing?
must you be echoing?
must she be echoing?
must we be echoing?
must you be echoing?
must they be echoing?

Perfect

V-ing perfect

must I have echoed?
must you have echoed?
must she have echoed?
must we have echoed?
must you have echoed?
must they have echoed?
must I have been echoing?
must you have been echoing?
must she have been echoing?
must we have been echoing?
must you have been echoing?
must they have been echoing?

Interro-negative form

Simple form

V-ing form

must I not echo?
must you not echo?
must she not echo?
must we not echo?
must you not echo?
must they not echo?
must I not be echoing?
must you not be echoing?
must she not be echoing?
must we not be echoing?
must you not be echoing?
must they not be echoing?

Perfect

V-ing perfect

must I not have echoed?
must you not have echoed?
must she not have echoed?
must we not have echoed?
must you not have echoed?
must they not have echoed?
must I not have been echoing?
must you not have been echoing?
must she not have been echoing?
must we not have been echoing?
must you not have been echoing?
must they not have been echoing?