no debería haber comprado esta camisa

shouldn't have bought this shirt

→ no
phrase Rare #34,988
shouldn't have bought this shirt Expresses regret or criticism about a past purchase. The subject can be omitted in Spanish and is understood from context; the form changes depending on the subject, such as deberías for tú and deberíais for vosotros or vosotras.
SP: Creo que no debería haber comprado esta camisa; no me queda bien.
EN: I think I shouldn't have bought this shirt; it doesn't fit me well.

Él no debería haber comprado esta camisa.

He shouldn't have bought this shirt.

Usted no debería haber comprado esta camisa.

You shouldn't have bought this shirt.

Yo no debería haber comprado esta camisa.

I shouldn't have bought this shirt.

No debería haber comprado esta camisa.

I shouldn't have bought this shirt.

Ella no debería haber comprado esta camisa.

She shouldn't have bought this shirt.