English verb conjugation COULD ESTIMATE

Regular verb: estimate - estimated - estimated

Affirmation

Simple form

I could estimate
you could estimate
she could estimate
we could estimate
you could estimate
they could estimate

V-ing form

I could be estimating
you could be estimating
she could be estimating
we could be estimating
you could be estimating
they could be estimating

Perfect

I could have estimated
you could have estimated
she could have estimated
we could have estimated
you could have estimated
they could have estimated

V-ing perfect

I could have been estimating
you could have been estimating
she could have been estimating
we could have been estimating
you could have been estimating
they could have been estimating

Negation

Simple form

I could not estimate
you could not estimate
she could not estimate
we could not estimate
you could not estimate
they could not estimate

V-ing form

I could not be estimating
you could not be estimating
she could not be estimating
we could not be estimating
you could not be estimating
they could not be estimating

Perfect

I could not have estimated
you could not have estimated
she could not have estimated
we could not have estimated
you could not have estimated
they could not have estimated

V-ing perfect

I could not have been estimating
you could not have been estimating
she could not have been estimating
we could not have been estimating
you could not have been estimating
they could not have been estimating

Interrogative form

Simple form

could I estimate?
could you estimate?
could she estimate?
could we estimate?
could you estimate?
could they estimate?

V-ing form

could I be estimating?
could you be estimating?
could she be estimating?
could we be estimating?
could you be estimating?
could they be estimating?

Perfect

could I have estimated?
could you have estimated?
could she have estimated?
could we have estimated?
could you have estimated?
could they have estimated?

V-ing perfect

could I have been estimating?
could you have been estimating?
could she have been estimating?
could we have been estimating?
could you have been estimating?
could they have been estimating?

Interro-negative form

Simple form

could I not estimate?
could you not estimate?
could she not estimate?
could we not estimate?
could you not estimate?
could they not estimate?

V-ing form

could I not be estimating?
could you not be estimating?
could she not be estimating?
could we not be estimating?
could you not be estimating?
could they not be estimating?

Perfect

could I not have estimated?
could you not have estimated?
could she not have estimated?
could we not have estimated?
could you not have estimated?
could they not have estimated?

V-ing perfect

could I not have been estimating?
could you not have been estimating?
could she not have been estimating?
could we not have been estimating?
could you not have been estimating?
could they not have been estimating?

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