English verb conjugation CAN CONCAVE

Regular verb: concave - concaved - concaved

Affirmation

Simple form

I can concave
you can concave
he can concave
we can concave
you can concave
they can concave

V-ing form

I can be concaving
you can be concaving
he can be concaving
we can be concaving
you can be concaving
they can be concaving

Perfect

I can have concaved
you can have concaved
he can have concaved
we can have concaved
you can have concaved
they can have concaved

V-ing perfect

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

Negation

Simple form

I can't concave
you can't concave
he can't concave
we can't concave
you can't concave
they can't concave

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I concave?
can you concave?
can he concave?
can we concave?
can you concave?
can they concave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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