English verb conjugation COULD FROST

Regular verb: frost - frosted - frosted

Affirmation

Simple form

I could frost
you could frost
she could frost
we could frost
you could frost
they could frost

V-ing form

I could be frosting
you could be frosting
she could be frosting
we could be frosting
you could be frosting
they could be frosting

Perfect

I could have frosted
you could have frosted
she could have frosted
we could have frosted
you could have frosted
they could have frosted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I frost?
could you frost?
could she frost?
could we frost?
could you frost?
could they frost?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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