English verb conjugation MUST EXCAVATE

Regular verb: excavate - excavated - excavated

Affirmation

Simple form

I must excavate
you must excavate
he must excavate
we must excavate
you must excavate
they must excavate

V-ing form

I must be excavating
you must be excavating
he must be excavating
we must be excavating
you must be excavating
they must be excavating

Perfect

I must have excavated
you must have excavated
he must have excavated
we must have excavated
you must have excavated
they must have excavated

V-ing perfect

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

Negation

Simple form

I must not excavate
you must not excavate
he must not excavate
we must not excavate
you must not excavate
they must not excavate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I excavate?
must you excavate?
must he excavate?
must we excavate?
must you excavate?
must they excavate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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