English verb conjugation COULD CONCRETE

Regular verb: concrete - concreted - concreted

Affirmation

Simple form

I could concrete
you could concrete
he could concrete
we could concrete
you could concrete
they could concrete

V-ing form

I could be concreting
you could be concreting
he could be concreting
we could be concreting
you could be concreting
they could be concreting

Perfect

I could have concreted
you could have concreted
he could have concreted
we could have concreted
you could have concreted
they could have concreted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I concrete?
could you concrete?
could he concrete?
could we concrete?
could you concrete?
could they concrete?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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