English verb conjugation COULD BURDEN

Regular verb: burden - burdened - burdened

Affirmation

Simple form

I could burden
you could burden
he could burden
we could burden
you could burden
they could burden

V-ing form

I could be burdening
you could be burdening
he could be burdening
we could be burdening
you could be burdening
they could be burdening

Perfect

I could have burdened
you could have burdened
he could have burdened
we could have burdened
you could have burdened
they could have burdened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I burden?
could you burden?
could he burden?
could we burden?
could you burden?
could they burden?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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