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 couldn't deter
you couldn't deter
he couldn't deter
we couldn't deter
you couldn't deter
they couldn't deter

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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