Koniugacja alterar Tryb Subj. przeszły niedokonany

Kiedy używać Tryb Subj. przeszły niedokonany

This tense is perfect for talking about hypothetical situations in the past, or expressing wishes and doubts that were relevant in the past. For example, 'Si alterara las reglas, habría un problema' (If I were to change the rules, there would be a problem). It’s also used for polite requests in the past.

Uwagi dotyczące alterar w czasie Tryb Subj. przeszły niedokonany

Alter is regular in the imperfect subjunctive. Both the -ra and -se forms are correct, though the -ra form (alterara, alteraras, etc.) is more common in many regions. Just pick one and stick with it!

Przykładowe zdania

• Si yo alterara las condiciones, ¿estarías de acuerdo?

  If I were to change the conditions, would you agree?

  yo

• Me pidió que no alterase el documento.

  He asked me not to change the document.

  yo

• Era importante que él alterara su opinión.

  It was important that he change his opinion.

  él/ella/usted

• Ojalá alteráramos la rutina un poco más.

  I wish we would change the routine a bit more.

  nosotros

• No creía que ellos alteraran el resultado.

  I didn't think they would change the result.

  ellos/ellas/ustedes

Częste błędy

• Błąd: Using the imperfect indicative instead of the imperfect subjunctive.

  Poprawnie: Use 'alterara' or 'alterase' after 'si' for hypotheticals, not 'alteraba'.

  Dlaczego: The imperfect subjunctive is required for hypothetical conditions in the past, whereas the imperfect indicative describes ongoing past actions.

• Błąd: Confusing the -ra and -se endings.

  Poprawnie: Both 'alterara' and 'alterase' are correct forms of the imperfect subjunctive. Choose one style.

  Dlaczego: While both are grammatically correct, consistency is key. Regional preferences exist, but learners should just pick one.

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