English verb conjugation COULD EXCRETE

Regular verb: excrete - excreted - excreted

Affirmation

Simple form

I could excrete
you could excrete
he could excrete
we could excrete
you could excrete
they could excrete

V-ing form

I could be excreting
you could be excreting
he could be excreting
we could be excreting
you could be excreting
they could be excreting

Perfect

I could have excreted
you could have excreted
he could have excreted
we could have excreted
you could have excreted
they could have excreted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I excrete?
could you excrete?
could he excrete?
could we excrete?
could you excrete?
could they excrete?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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