Questions & Answers about Eu preciso renovar um documento este mês.
Yes. In Brazilian Portuguese, you can often omit the subject pronoun because the verb form already shows who the subject is.
- Eu preciso renovar um documento este mês.
- Preciso renovar um documento este mês.
Both mean the same thing: I need to renew a document this month.
Including eu can add:
- emphasis: I need to renew it
- clarity, especially in conversation
- a slightly more explicit style
So eu is correct, but not always necessary.
Because preciso is the conjugated form of the verb precisar for eu in the present tense.
The verb is:
- precisar = to need
Present tense:
- eu preciso = I need
- você precisa = you need
- ele/ela precisa = he/she needs
- nós precisamos = we need
- eles/elas precisam = they need
So in this sentence:
- Eu preciso = I need