Portuguese Phrase
É preciso para todas as compras sem impostos.
Meaning
The sentence states that something is required for every purchase that is exempt from taxes. It is often used to refer to a document, a registration number, or a specific procedure that must be presented when buying tax‑free.
When to use
Use this phrase when you need to explain a universal requirement that applies to all tax‑exempt transactions, such as presenting a tax‑exemption card, a CNPJ, or a special invoice.
✦Grammar Breakdown
Éprecisoparatodasascomprassemimpostos.
É preciso (impersonal)
The construction "É preciso" is impersonal and means "it is necessary"; the verb "ser" is used in the third‑person singular.
para + noun phrase
The preposition "para" introduces the beneficiary or the scope of the necessity, here "for all tax‑free purchases".
todas as + plural noun
"Todas as" is the feminine plural form of "all the" and must agree with the noun "compras".
sem + noun
"Sem" means "without" and is used to negate the noun that follows, in this case "impostos" (taxes).
🗨In Conversation
Preciso de algo especial para comprar sem impostos?
Do I need something special to buy tax‑free?
É preciso para todas as compras sem impostos apresentar o seu cartão de isenção.
It is required for all tax‑free purchases to present your exemption card.
✕Common Mistakes
Eu preciso para todas as compras sem impostos.
Do not use "Eu preciso" here; the impersonal "É preciso" is required.
É preciso de todas as compras sem impostos.
The preposition after "É preciso" is "para", not "de".
É preciso para todas as compras sem imposto.
When referring to taxes in general, use the plural "impostos".
↔Alternatives
É necessário para todas as compras sem impostos.
It is necessary for all tax‑free purchases.
É obrigatório em todas as compras sem impostos.
It is mandatory in all tax‑free purchases.
É preciso apresentar documento em todas as compras sem impostos.
You must present a document for all tax‑free purchases.
Cultural Tip
In Brazil, tax‑exempt purchases (often called "isento de impostos") usually require a specific exemption card (e.g., for diplomats, NGOs, or certain professionals) and a valid CNPJ or CPF number on the invoice. Forgetting the card can turn a tax‑free deal into a regular taxed purchase, so speakers often stress the requirement with "É preciso...".