English verb conjugation COULD EVERT

Regular verb: evert - everted - everted

Affirmation

Simple form

I could evert
you could evert
he could evert
we could evert
you could evert
they could evert

V-ing form

I could be everting
you could be everting
he could be everting
we could be everting
you could be everting
they could be everting

Perfect

I could have everted
you could have everted
he could have everted
we could have everted
you could have everted
they could have everted

V-ing perfect

I could have been everting
you could have been everting
he could have been everting
we could have been everting
you could have been everting
they could have been everting

Negation

Simple form

I could not evert
you could not evert
he could not evert
we could not evert
you could not evert
they could not evert

V-ing form

I could not be everting
you could not be everting
he could not be everting
we could not be everting
you could not be everting
they could not be everting

Perfect

I could not have everted
you could not have everted
he could not have everted
we could not have everted
you could not have everted
they could not have everted

V-ing perfect

I could not have been everting
you could not have been everting
he could not have been everting
we could not have been everting
you could not have been everting
they could not have been everting

Interrogative form

Simple form

could I evert?
could you evert?
could he evert?
could we evert?
could you evert?
could they evert?

V-ing form

could I be everting?
could you be everting?
could he be everting?
could we be everting?
could you be everting?
could they be everting?

Perfect

could I have everted?
could you have everted?
could he have everted?
could we have everted?
could you have everted?
could they have everted?

V-ing perfect

could I have been everting?
could you have been everting?
could he have been everting?
could we have been everting?
could you have been everting?
could they have been everting?

Interro-negative form

Simple form

could I not evert?
could you not evert?
could he not evert?
could we not evert?
could you not evert?
could they not evert?

V-ing form

could I not be everting?
could you not be everting?
could he not be everting?
could we not be everting?
could you not be everting?
could they not be everting?

Perfect

could I not have everted?
could you not have everted?
could he not have everted?
could we not have everted?
could you not have everted?
could they not have everted?

V-ing perfect

could I not have been everting?
could you not have been everting?
could he not have been everting?
could we not have been everting?
could you not have been everting?
could they not have been everting?

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