English verb conjugation COULD ABSTRACT

Regular verb: abstract - abstracted - abstracted

Affirmation

Simple form

I could abstract
you could abstract
he could abstract
we could abstract
you could abstract
they could abstract

V-ing form

I could be abstracting
you could be abstracting
he could be abstracting
we could be abstracting
you could be abstracting
they could be abstracting

Perfect

I could have abstracted
you could have abstracted
he could have abstracted
we could have abstracted
you could have abstracted
they could have abstracted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I abstract?
could you abstract?
could he abstract?
could we abstract?
could you abstract?
could they abstract?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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