Learn the First Conditional (A2 English Grammar) — A2 English grammar lesson by Langcom

Learn the First Conditional (A2 English Grammar)

Raúl Maguiña

Fundador da Langcom | Examinador dos exames de Cambridge e SIELE

setembro 15, 2026

A2✏️ Gramática⏱️ 5 min de leitura📅 Atualizado em setembro de 2026
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The First Conditional helps us talk about real possibilities in the future. We use it to describe a possible situation and its likely result. Imagine you have a plan, but it depends on something else happening first. This is exactly when you use the First Conditional! The basic structure is simple: If + a present simple verb in the first part, and will + a base verb in the second part. For example, If it rains, I will stay home. This means there is a real chance of rain, and if it happens, staying home is the probable outcome. It’s perfect for discussing future plans, making predictions about what might happen, or giving warnings. It focuses on events that are likely to occur if a certain condition is met, making your English sound natural when talking about future scenarios.

What is the First Conditional?

The First Conditional is a grammar structure we use to talk about things that are possible in the future. It connects a condition (something that might happen) with a likely result.

It is not 100% certain that the condition will happen, but there is a real chance. If the condition is met, then the result is probable.

  • If you study hard, you will pass the exam. (Studying hard makes passing the exam a real possibility.)

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How Do We Form the First Conditional?

The First Conditional has two main parts: the 'if' clause and the main clause. We use different verb tenses in each part.

  • The 'if' clause (the condition): This part starts with If and uses the present simple tense. For example: If I have time..., If she studies...
  • The main clause (the result): This part uses will (ou won't for negative) followed by the base form of the verb. For example: ...I will help you., ...she will pass.

You can put the 'if' clause first or second:

  • When the 'if' clause comes first, we use a comma: If it's sunny, we'll go to the park.
  • When the main clause comes first, we do not use a comma: We'll go to the park if it's sunny.

When Do We Use the First Conditional?

We use the First Conditional in many everyday situations to talk about future possibilities:

  • To talk about future plans or decisions:
    If I finish work early, I will go to the gym.
  • To make predictions about the future:
    If the weather is good, the party will be fun.
  • To give warnings or threats:
    If you don't hurry, you will miss the bus.
  • To make promises:
    If you help me, I will buy you a coffee.

Can We Use Other Words Instead of 'Will'?

Yes, sometimes we can use other modal verbs in the main clause instead of will to express different meanings:

  • Uso can to talk about ability or possibility:
    If you need help, I can assist you.
  • Uso may ou might to talk about less certain possibilities:
    If it rains, we might stay inside.
  • Uso should to give advice:
    If you feel sick, you should see a doctor.
First Conditional Structure
Condition (If-clause) Result (Main clause)
If + Present Simple will/won't + Base Verb
If I study hard, I will pass the exam.
If she doesn't hurry, she will miss the train.

Exemplos

  • If I save enough money, I will buy a new phone.
  • She will be happy if you visit her.
  • If it snows tomorrow, schools will close.
  • They won't win the game if they don't practice.
  • If you touch that, you might get a shock.
  • We can go to the beach if the sun shines.

Prática

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Erros comuns entre falantes de espanhol

Spanish speakers sometimes make specific mistakes with the First Conditional:

  • Using 'will' in the 'if' clause: In Spanish, you might use a future tense after 'si' (if). However, in English, the 'if' clause always uses the present simple for future conditions.
    • Incorreto: If it will rain, I will stay home.
    • Correto: If it rains, I will stay home.
  • Forgetting the comma: When the 'if' clause comes first, a comma is needed to separate the two parts of the sentence. This is a common punctuation error.
    • Incorreto: If I study I will pass.
    • Correto: If I study, I will pass.

Perguntas frequentes

What is the First Conditional for?

It's for talking about things that are possible in the future. It connects a condition to a likely result. For example, If I work hard, I will get a promotion.

What is the structure of the First Conditional?

The structure is If + present simple in the first part (the condition), and will + base verb in the second part (the result).

Can I use 'will' in the 'if' part of the sentence?

No, you cannot use will no if clause. Always use the present simple for the condition. For example, say If it rains, e não If it will rain.

Is the comma important in First Conditional sentences?

Yes, if the if clause comes first, you need a comma before the main clause. For example, If you are hungry, I will make a sandwich. If the main clause comes first, no comma is needed: I will make a sandwich if you are hungry.

How is the First Conditional useful for the A2 Key (KET) exam?

The First Conditional is common in the A2 Key exam, especially in Reading and Writing parts. You might need to understand sentences with it or use it to complete sentences, showing you can discuss future possibilities and their outcomes.

Aulas relacionadas

Sobre o autor: Raúl Maguiña

Raúl Maguiña é diretor da Asociación Educativa Langcom, um centro autorizado de preparação para o Cambridge English em seu país. Com mais de uma década de experiência no ensino de idiomas e em certificações internacionais, ele já ajudou milhares de alunos, professores e instituições de ensino em 25 países a obter as certificações de inglês da Cambridge, IELTS, TOEFL e Michigan.

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