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Usages of kesu
私 は 寝る 前 に 電気 を 消します。watasi ha neru mae ni denki wo kesimasu.
I turn off the light before sleeping.
朝 は 部屋 が 明るい ので、 電気 を 消して も 見えます。asa ha heya ga akarui node, denki wo kesite mo miemasu.
In the morning the room is bright, so I can see even if I turn off the light.
暗い 部屋 で 電気 を 消して も いい です か？kurai heya de denki wo kesite mo ii desu ka?
May I turn off the light in the dark room?
彼 は うっかり 目覚まし を 消して、 朝 に 起きられなかった。kare ha ukkari mezamasi wo kesite, asa ni okirarenakatta.
He carelessly turned off the alarm and couldn’t wake up in the morning.
Test yourself: What does kesu mean?
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“How do verb conjugations work in Japanese?”
Japanese verbs conjugate based on tense, politeness, and mood. For example, the polite present form adds ‑ます to the verb stem, while the past tense uses ‑ました. Unlike English, Japanese verbs don't change based on the subject — the same form works for "I", "you", and "they".
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