Portuguese · Chapter 9 · Lesson 8 · Grammar primer
The personal infinitive
Portuguese gives its infinitive person endings, which sounds impossible until it simply says who is acting.
The short version
The personal infinitive has no irregular verbs
Portuguese lets an infinitive take person endings: -mos for nós, -em for vocês and eles, nothing for the rest. Because it is built on the infinitive itself, every verb is regular, even ser and ir: sermos, irmos, serem, irem.
Antes de sairmos, vamos comer.
It is para eu fazer, not para mim fazer
When a pronoun is the one doing the infinitive's action, it is a subject, so it takes the subject form eu. Para mim fazer is everywhere in casual Brazilian speech, but it is widely corrected. With no verb after it, mim is right: é para mim.
Isso é para eu fazer.
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