English verb conjugation COULD COST

Irregular verb: cost - cost - cost

Affirmation

Simple form

I could cost
you could cost
she could cost
we could cost
you could cost
they could cost

V-ing form

I could be costing
you could be costing
she could be costing
we could be costing
you could be costing
they could be costing

Perfect

I could have cost
you could have cost
she could have cost
we could have cost
you could have cost
they could have cost

V-ing perfect

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

Negation

Simple form

I couldn't cost
you couldn't cost
she couldn't cost
we couldn't cost
you couldn't cost
they couldn't cost

V-ing form

I couldn't be costing
you couldn't be costing
she couldn't be costing
we couldn't be costing
you couldn't be costing
they couldn't be costing

Perfect

I couldn't have cost
you couldn't have cost
she couldn't have cost
we couldn't have cost
you couldn't have cost
they couldn't have cost

V-ing perfect

I couldn't have been costing
you couldn't have been costing
she couldn't have been costing
we couldn't have been costing
you couldn't have been costing
they couldn't have been costing

Interrogative form

Simple form

could I cost?
could you cost?
could she cost?
could we cost?
could you cost?
could they cost?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I cost?
couldn't you cost?
couldn't she cost?
couldn't we cost?
couldn't you cost?
couldn't they cost?

V-ing form

couldn't I be costing?
couldn't you be costing?
couldn't she be costing?
couldn't we be costing?
couldn't you be costing?
couldn't they be costing?

Perfect

couldn't I have cost?
couldn't you have cost?
couldn't she have cost?
couldn't we have cost?
couldn't you have cost?
couldn't they have cost?

V-ing perfect

couldn't I have been costing?
couldn't you have been costing?
couldn't she have been costing?
couldn't we have been costing?
couldn't you have been costing?
couldn't they have been costing?

Page top