Portuguese Phrase
Claro, eu vou substituir.
Meaning
The speaker is confirming they will take care of replacing something. It can refer to swapping a broken object, changing a part, or taking over a task.
When to use
Use this phrase when someone asks you to replace an item, fix a problem, or take over a responsibility. It works in both casual and semi‑formal settings.
✦Grammar Breakdown
Claro,euvousubstituir.
Claro
An adverb meaning 'of course' or 'sure', used to express agreement or affirmation.
eu
First‑person singular pronoun, the subject of the sentence.
vou + infinitive
Future periphrastic construction: the present tense of 'ir' + infinitive expresses a near‑future action.
substituir
Infinitive verb meaning 'to replace' or 'to substitute'.
🗨In Conversation
A lâmpada da sala está queimada. Você pode trocar?
The living‑room lamp is burnt out. Can you change it?
Claro, eu vou substituir.
Sure, I will replace it.
✕Common Mistakes
Claro, eu vou ser substituir.
Do not combine 'ser' with the infinitive; the correct future form is 'vou substituir'.
Claro, eu vou substitui.
Use the infinitive after 'vou'; 'substitui' is a present‑tense conjugation.
Claro eu vou substituir.
Add a comma after 'claro' to reflect natural pause and punctuation.
↔Alternatives
Com certeza, eu vou substituir.
Certainly, I will replace.
Claro, eu substituirei.
Sure, I’ll replace.
Sem problema, eu faço a substituição.
No problem, I’ll do the replacement.
Cultural Tip
In Brazilian Portuguese 'claro' is informal but polite; it’s perfect for everyday conversation. For a more formal tone you might choose 'com certeza' or 'certamente'. Remember to keep the future periphrastic (vou + infinitive) when talking about actions you intend to do soon.