📘 Grammar

First Conditional — Explained

18 example sentences · explanation · free

Rules and usage

The First Conditional is used to talk about real or possible situations in the future and their probable results. It expresses the idea that if one thing happens, another thing will happen as a consequence. This structure is the most common way to discuss future possibilities and is used for situations that are likely to happen.

When to Use the First Conditional

  • Use the First Conditional when you are talking about a real possibility in the future. The condition is something that may or will probably happen.
  • It suggests that the outcome is likely or certain if the condition is met.
  • You use it for giving instructions, making promises, threats, or warnings.
  • Common in decisions, advice, and statements about cause and effect: If you study hard, you will pass the exam. If it rains tomorrow, the picnic will be cancelled. If you heat water to 100 degrees, it will boil.

✅ Positive sentence examples

EnglishEnglish
If you study hard, you will pass the exam.
If it rains tomorrow, I will stay home.

⛔ Negative sentence examples

EnglishEnglish
If you don't eat breakfast, you will be hungry later.
If it doesn't snow, we won't build a snowman.

❓ Question sentence examples

EnglishEnglish
If you win the lottery, will you quit your job?
If it snows, will you go skiing?

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