English verb conjugation COULD LOUDEN

Regular verb: louden - loudened - loudened

Affirmation

Simple form

I could louden
you could louden
he could louden
we could louden
you could louden
they could louden

V-ing form

I could be loudening
you could be loudening
he could be loudening
we could be loudening
you could be loudening
they could be loudening

Perfect

I could have loudened
you could have loudened
he could have loudened
we could have loudened
you could have loudened
they could have loudened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I louden?
could you louden?
could he louden?
could we louden?
could you louden?
could they louden?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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