English verb conjugation COULD WARN WARN

Regular verb: warn warn - warn warned - warn warned

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could warn warn
you could warn warn
he could warn warn
we could warn warn
you could warn warn
they could warn warn

V-ing form

I could be warn warning
you could be warn warning
he could be warn warning
we could be warn warning
you could be warn warning
they could be warn warning

Perfect

I could have warn warned
you could have warn warned
he could have warn warned
we could have warn warned
you could have warn warned
they could have warn warned

V-ing perfect

I could have been warn warning
you could have been warn warning
he could have been warn warning
we could have been warn warning
you could have been warn warning
they could have been warn warning

Negation

Simple form

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

V-ing form

I couldn't be warn warning
you couldn't be warn warning
he couldn't be warn warning
we couldn't be warn warning
you couldn't be warn warning
they couldn't be warn warning

Perfect

I couldn't have warn warned
you couldn't have warn warned
he couldn't have warn warned
we couldn't have warn warned
you couldn't have warn warned
they couldn't have warn warned

V-ing perfect

I couldn't have been warn warning
you couldn't have been warn warning
he couldn't have been warn warning
we couldn't have been warn warning
you couldn't have been warn warning
they couldn't have been warn warning

Interrogative form

Simple form

could I warn warn?
could you warn warn?
could he warn warn?
could we warn warn?
could you warn warn?
could they warn warn?

V-ing form

could I be warn warning?
could you be warn warning?
could he be warn warning?
could we be warn warning?
could you be warn warning?
could they be warn warning?

Perfect

could I have warn warned?
could you have warn warned?
could he have warn warned?
could we have warn warned?
could you have warn warned?
could they have warn warned?

V-ing perfect

could I have been warn warning?
could you have been warn warning?
could he have been warn warning?
could we have been warn warning?
could you have been warn warning?
could they have been warn warning?

Interro-negative form

Simple form

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

V-ing form

couldn't I be warn warning?
couldn't you be warn warning?
couldn't he be warn warning?
couldn't we be warn warning?
couldn't you be warn warning?
couldn't they be warn warning?

Perfect

couldn't I have warn warned?
couldn't you have warn warned?
couldn't he have warn warned?
couldn't we have warn warned?
couldn't you have warn warned?
couldn't they have warn warned?

V-ing perfect

couldn't I have been warn warning?
couldn't you have been warn warning?
couldn't he have been warn warning?
couldn't we have been warn warning?
couldn't you have been warn warning?
couldn't they have been warn warning?

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