Irregular 'AR' Verbs: Spelling Changes 'GAR'-'GU'
Spanish: Cambridge International GCSE, topic 10.6.5
Spelling Changes ('GAR' → 'GU')
To preserve the sound 'g', verbs that end in 'gar' change the ‘g’ to 'gu' in the subjunctive. For example:

Entregar - to hand in
- Entregue - I hand in.
- Entregues - you hand in.
- Entregue - he/she hands in / yo hand in (formal).
- Entreguemos - we hand in.
- Entreguéis - you hand in (plural).
- Entreguen - they hand in / you hand in (formal plural).

Cargar - to load
- Cargue - I load.
- Cargues - you load.
- Cargue - he/she loads / you load (formal).
- Carguemos - we load.
- Carguéis - you load (plural).
- Carguen - they load / you load (formal plural).

Jugar - to play
- It is important to note that 'jugar' follows its irregular pattern from the present tense as well as this one.
- Juegue - I play.
- Juegues - you play.
- Juegue - he/she plays / you play (formal).
- Juguemos - we play.
- Juguéis - you play (plural).
- Jueguen - they play / you play (formal plural).
Test yourself on Irregular 'AR' Verbs: Spelling Changes 'GAR'-'GU'
How do you say 'they load' in the present subjunctive in Spanish?