English verb conjugation MUST CONCAVE

Regular verb: concave - concaved - concaved

Affirmation

Simple form

I must concave
you must concave
he must concave
we must concave
you must concave
they must concave

V-ing form

I must be concaving
you must be concaving
he must be concaving
we must be concaving
you must be concaving
they must be concaving

Perfect

I must have concaved
you must have concaved
he must have concaved
we must have concaved
you must have concaved
they must have concaved

V-ing perfect

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

Negation

Simple form

I must not concave
you must not concave
he must not concave
we must not concave
you must not concave
they must not concave

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I concave?
must you concave?
must he concave?
must we concave?
must you concave?
must they concave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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