English verb conjugation COULD OVERESTIMATE

Regular verb: overestimate - overestimated - overestimated

Affirmation

Simple form

I could overestimate
you could overestimate
he could overestimate
we could overestimate
you could overestimate
they could overestimate

V-ing form

I could be overestimating
you could be overestimating
he could be overestimating
we could be overestimating
you could be overestimating
they could be overestimating

Perfect

I could have overestimated
you could have overestimated
he could have overestimated
we could have overestimated
you could have overestimated
they could have overestimated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overestimate?
could you overestimate?
could he overestimate?
could we overestimate?
could you overestimate?
could they overestimate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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