mado o akeru to, kimochiii kaze ga hairimasu.

When I open the window, a pleasant breeze comes in.

Breakdown of mado o akeru to, kimochiii kaze ga hairimasu.

• を: direct object particle
• が: subject particle
• と: conditional particle
• 開あける: to open

Questions & Answers about mado o akeru to, kimochiii kaze ga hairimasu.

How is this sentence put together grammatically?

It has two main parts:

• 窓を開けると = when/if you open the window
• 気持ちいい風が入ります = a pleasant breeze comes in

So the pattern is:

• [verb-dictionary form] + と, [result]

This often shows a result that naturally happens after the first action.

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Why is it 開ける and not 開く?

Because 開ける is the normal transitive verb here: to open something.

• 窓を開ける = open the window
• 窓が開く = the window opens

So:

• 開ける takes an object with を
• 開く is usually used when the thing opens by itself or is simply in the open state

That is why 窓を開ける is used in this sentence.

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What does と mean here?

Here, と means when or if in the sense of a natural, automatic result.

So 窓を開けると、気持ちいい風が入ります means something like:

• When you open the window, a pleasant breeze comes in
• If you open the window, a pleasant breeze comes in

The nuance of と is often that the second part happens as a regular or expected consequence of the first part.

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Why is 窓 marked with ?