English verb conjugation MUST DISCOVER

Regular verb: discover - discovered - discovered

Affirmation

Simple form

I must discover
you must discover
she must discover
we must discover
you must discover
they must discover

V-ing form

I must be discovering
you must be discovering
she must be discovering
we must be discovering
you must be discovering
they must be discovering

Perfect

I must have discovered
you must have discovered
she must have discovered
we must have discovered
you must have discovered
they must have discovered

V-ing perfect

I must have been discovering
you must have been discovering
she must have been discovering
we must have been discovering
you must have been discovering
they must have been discovering

Negation

Simple form

I must not discover
you must not discover
she must not discover
we must not discover
you must not discover
they must not discover

V-ing form

I must not be discovering
you must not be discovering
she must not be discovering
we must not be discovering
you must not be discovering
they must not be discovering

Perfect

I must not have discovered
you must not have discovered
she must not have discovered
we must not have discovered
you must not have discovered
they must not have discovered

V-ing perfect

I must not have been discovering
you must not have been discovering
she must not have been discovering
we must not have been discovering
you must not have been discovering
they must not have been discovering

Interrogative form

Simple form

must I discover?
must you discover?
must she discover?
must we discover?
must you discover?
must they discover?

V-ing form

must I be discovering?
must you be discovering?
must she be discovering?
must we be discovering?
must you be discovering?
must they be discovering?

Perfect

must I have discovered?
must you have discovered?
must she have discovered?
must we have discovered?
must you have discovered?
must they have discovered?

V-ing perfect

must I have been discovering?
must you have been discovering?
must she have been discovering?
must we have been discovering?
must you have been discovering?
must they have been discovering?

Interro-negative form

Simple form

must I not discover?
must you not discover?
must she not discover?
must we not discover?
must you not discover?
must they not discover?

V-ing form

must I not be discovering?
must you not be discovering?
must she not be discovering?
must we not be discovering?
must you not be discovering?
must they not be discovering?

Perfect

must I not have discovered?
must you not have discovered?
must she not have discovered?
must we not have discovered?
must you not have discovered?
must they not have discovered?

V-ing perfect

must I not have been discovering?
must you not have been discovering?
must she not have been discovering?
must we not have been discovering?
must you not have been discovering?
must they not have been discovering?

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