Present: Irregular 'ER' Verbs (1/4)
Spanish: Cambridge International GCSE, topic 8.1.9
Stem Changing ER Verbs (E → IE)
In Spanish, some ER verbs change when conjugated, with the 'e' in the infinitive becoming 'ie'. This does NOT happen in the 'nosotros' and 'vosotros' forms.

E → IE
- Some ER verbs change the E in infinitive to IE when conjugated.
- E.g. Entender (to understand) → entiendo (I understand).

Perder - to lose
- Pierdo - I lose.
- Pierdes - you lose.
- Pierde - he/she loses / you lose (formal).
- Perdemos - we lose.
- Perdéis - you lose (plural).
- Pierden - they lose / you lose (formal plural).

Querer - to want
- Quiero - I want.
- Quieres - you want.
- Quiere - he/she wants / you want (formal).
- Queremos - we want.
- Queréis - you want (plural).
- Quieren - they want / you want (formal plural).
Test yourself on Present: Irregular 'ER' Verbs (1/4)
¿Cómo dirias 'we want' en Español?