English verb conjugation COULD SHORTEN

Regular verb: shorten - shortened - shortened

Affirmation

Simple form

I could shorten
you could shorten
she could shorten
we could shorten
you could shorten
they could shorten

V-ing form

I could be shortening
you could be shortening
she could be shortening
we could be shortening
you could be shortening
they could be shortening

Perfect

I could have shortened
you could have shortened
she could have shortened
we could have shortened
you could have shortened
they could have shortened

V-ing perfect

I could have been shortening
you could have been shortening
she could have been shortening
we could have been shortening
you could have been shortening
they could have been shortening

Negation

Simple form

I couldn't shorten
you couldn't shorten
she couldn't shorten
we couldn't shorten
you couldn't shorten
they couldn't shorten

V-ing form

I couldn't be shortening
you couldn't be shortening
she couldn't be shortening
we couldn't be shortening
you couldn't be shortening
they couldn't be shortening

Perfect

I couldn't have shortened
you couldn't have shortened
she couldn't have shortened
we couldn't have shortened
you couldn't have shortened
they couldn't have shortened

V-ing perfect

I couldn't have been shortening
you couldn't have been shortening
she couldn't have been shortening
we couldn't have been shortening
you couldn't have been shortening
they couldn't have been shortening

Interrogative form

Simple form

could I shorten?
could you shorten?
could she shorten?
could we shorten?
could you shorten?
could they shorten?

V-ing form

could I be shortening?
could you be shortening?
could she be shortening?
could we be shortening?
could you be shortening?
could they be shortening?

Perfect

could I have shortened?
could you have shortened?
could she have shortened?
could we have shortened?
could you have shortened?
could they have shortened?

V-ing perfect

could I have been shortening?
could you have been shortening?
could she have been shortening?
could we have been shortening?
could you have been shortening?
could they have been shortening?

Interro-negative form

Simple form

couldn't I shorten?
couldn't you shorten?
couldn't she shorten?
couldn't we shorten?
couldn't you shorten?
couldn't they shorten?

V-ing form

couldn't I be shortening?
couldn't you be shortening?
couldn't she be shortening?
couldn't we be shortening?
couldn't you be shortening?
couldn't they be shortening?

Perfect

couldn't I have shortened?
couldn't you have shortened?
couldn't she have shortened?
couldn't we have shortened?
couldn't you have shortened?
couldn't they have shortened?

V-ing perfect

couldn't I have been shortening?
couldn't you have been shortening?
couldn't she have been shortening?
couldn't we have been shortening?
couldn't you have been shortening?
couldn't they have been shortening?

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