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 mustn't concave
you mustn't concave
he mustn't concave
we mustn't concave
you mustn't concave
they mustn't concave

V-ing form

I mustn't be concaving
you mustn't be concaving
he mustn't be concaving
we mustn't be concaving
you mustn't be concaving
they mustn't be concaving

Perfect

I mustn't have concaved
you mustn't have concaved
he mustn't have concaved
we mustn't have concaved
you mustn't have concaved
they mustn't have concaved

V-ing perfect

I mustn't have been concaving
you mustn't have been concaving
he mustn't have been concaving
we mustn't have been concaving
you mustn't have been concaving
they mustn't 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

mustn't I concave?
mustn't you concave?
mustn't he concave?
mustn't we concave?
mustn't you concave?
mustn't they concave?

V-ing form

mustn't I be concaving?
mustn't you be concaving?
mustn't he be concaving?
mustn't we be concaving?
mustn't you be concaving?
mustn't they be concaving?

Perfect

mustn't I have concaved?
mustn't you have concaved?
mustn't he have concaved?
mustn't we have concaved?
mustn't you have concaved?
mustn't they have concaved?

V-ing perfect

mustn't I have been concaving?
mustn't you have been concaving?
mustn't he have been concaving?
mustn't we have been concaving?
mustn't you have been concaving?
mustn't they have been concaving?

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