English verb conjugation COULD DETER

Regular verb: deter - detered - detered

Affirmation

Simple form

I could deter
you could deter
he could deter
we could deter
you could deter
they could deter

V-ing form

I could be detering
you could be detering
he could be detering
we could be detering
you could be detering
they could be detering

Perfect

I could have detered
you could have detered
he could have detered
we could have detered
you could have detered
they could have detered

V-ing perfect

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

Negation

Simple form

I could not deter
you could not deter
he could not deter
we could not deter
you could not deter
they could not deter

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I deter?
could you deter?
could he deter?
could we deter?
could you deter?
could they deter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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