English verb conjugation COULD OVERDO

Irregular verb: overdo - overdid - overdone

Affirmation

Simple form

I could overdo
you could overdo
he could overdo
we could overdo
you could overdo
they could overdo

V-ing form

I could be overdoing
you could be overdoing
he could be overdoing
we could be overdoing
you could be overdoing
they could be overdoing

Perfect

I could have overdone
you could have overdone
he could have overdone
we could have overdone
you could have overdone
they could have overdone

V-ing perfect

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

Negation

Simple form

I could not overdo
you could not overdo
he could not overdo
we could not overdo
you could not overdo
they could not overdo

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overdo?
could you overdo?
could he overdo?
could we overdo?
could you overdo?
could they overdo?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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