English verb conjugation COULD BEST

Regular verb: best - bested - bested

Affirmation

Simple form

I could best
you could best
he could best
we could best
you could best
they could best

V-ing form

I could be besting
you could be besting
he could be besting
we could be besting
you could be besting
they could be besting

Perfect

I could have bested
you could have bested
he could have bested
we could have bested
you could have bested
they could have bested

V-ing perfect

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

Negation

Simple form

I couldn't best
you couldn't best
he couldn't best
we couldn't best
you couldn't best
they couldn't best

V-ing form

I couldn't be besting
you couldn't be besting
he couldn't be besting
we couldn't be besting
you couldn't be besting
they couldn't be besting

Perfect

I couldn't have bested
you couldn't have bested
he couldn't have bested
we couldn't have bested
you couldn't have bested
they couldn't have bested

V-ing perfect

I couldn't have been besting
you couldn't have been besting
he couldn't have been besting
we couldn't have been besting
you couldn't have been besting
they couldn't have been besting

Interrogative form

Simple form

could I best?
could you best?
could he best?
could we best?
could you best?
could they best?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I best?
couldn't you best?
couldn't he best?
couldn't we best?
couldn't you best?
couldn't they best?

V-ing form

couldn't I be besting?
couldn't you be besting?
couldn't he be besting?
couldn't we be besting?
couldn't you be besting?
couldn't they be besting?

Perfect

couldn't I have bested?
couldn't you have bested?
couldn't he have bested?
couldn't we have bested?
couldn't you have bested?
couldn't they have bested?

V-ing perfect

couldn't I have been besting?
couldn't you have been besting?
couldn't he have been besting?
couldn't we have been besting?
couldn't you have been besting?
couldn't they have been besting?

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