English verb conjugation COULD INTERCALATE

Regular verb: intercalate - intercalated - intercalated

Affirmation

Simple form

I could intercalate
you could intercalate
he could intercalate
we could intercalate
you could intercalate
they could intercalate

V-ing form

I could be intercalating
you could be intercalating
he could be intercalating
we could be intercalating
you could be intercalating
they could be intercalating

Perfect

I could have intercalated
you could have intercalated
he could have intercalated
we could have intercalated
you could have intercalated
they could have intercalated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I intercalate?
could you intercalate?
could he intercalate?
could we intercalate?
could you intercalate?
could they intercalate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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