Conditional tenses in English are used to talk about situations that depend on a condition. These are often called “if” sentences because they usually include the word “if” to introduce the condition.
There are four main types of conditional sentences:
  1. Zero conditional: Used for facts or general truths.
    1. Structure: If + present simple, ... present simple
    2. Example: If you heat water, it boils.
  1. First conditional: Used for real and possible future situations.
    1. Structure: If + present simple, ... will + base verb
    2. Example: If it rains, I will stay home.
  1. Second conditional: Used for unreal or unlikely present or future situations.
    1. Structure: If + past simple, ... would + base verb
    2. Example: If I won the lottery, I would travel the world.
  1. Third conditional: Used for unreal past situations (things that didn’t happen).
    1. Structure: If + past perfect, ... would have + past participle
    2. Example: If I had studied harder, I would have passed the exam.
Understanding these conditional tenses helps you talk about possibilities, probabilities, and hypothetical scenarios in English.

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Last updated: Wed Jun 18, 2025

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