Meaning
Expresses a suggestion to act together or the speaker's own decision to act.
Formation
- Group 1: the -i syllable shifts to the -o row plus う: 行きます → 行こう
- Group 2: ます → よう: 食べます → 食べよう
- Group 3: しよう, 来よう (koyou)
When to use it
- Core use
- Let's do it; I will do it
Examples
20 sentences-
週末は一緒に映画を見よう
Let's watch a film together this weekend.
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今日は早く帰ろう
I think I will leave early today.
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少し休もう
Let's take a short break.
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次の駅で降りよう
Let's get off at the next station.
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明日は早く起きよう
Let's get up early tomorrow.
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この道をまっすぐ行こう
Let's go straight along this road.
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一緒に昼ご飯を作ろう
Let's make lunch together.
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困ったら先生に聞こう
If we have trouble, let's ask the teacher.
12 more examples
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今日はここまでにしよう
Let's stop here for today.
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夏休みに海へ行こう
Let's go to the sea during summer vacation.
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小さな荷物を運ぼう
Let's carry the small luggage.
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また来年もここに来よう
Let's come here again next year.
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古い雑誌を捨てよう
Let's throw away the old magazines.
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台所の窓を開けよう
Let's open the kitchen window.
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旅行の写真を見よう
Let's look at the travel photos.
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短い手紙を書こう
Let's write a short letter.
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昼ご飯は何を食べようか
What shall we have for lunch?
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疲れたから、そろそろ寝よう
I'm tired, so I think I'll go to bed now.
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家の鍵を探そう
Let's look for the house key.
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晩ご飯の準備をしよう
Let's prepare dinner.
Important notes
- The plain volitional can invite someone or express your own resolve.
Common mistakes
- Group 1 uses the o-row plus う: 書こう, not 書きよう.
Check yourself
Pick the translation of each sentence. The wrong options translate similar patterns, so watch the grammar rather than the words.
Similar grammar
Hear it in podcasts
The pattern appears in these episodes. They open in the app with the transcript and translation.
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