N5 Grammar Course

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JLPT Grammar
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N5 Grammar Course

Lesson 13: 〜だろう・でしょう

Usage:

Verb + (の/ん) + だろう・でしょう
i-Adjective + (ん)だろう・でしょう
na-Adjective + (ん)だろう・でしょう
Noun + だろう・でしょう


Meaning:

「〜だろう・でしょう」means “must…”, “should…”, “very likely…”.
〜でしょう is a polite way to say 〜だろう.
If you want to say something but you are not 100% sure,you can use 〜(ん)だろう・でしょう.

Note:
んだろう・んでしょう in often used in spoken Japanese.

Examples:

じょうだんだろう
You must be kidding!

かれだろう
It’s very likely he’ll come.

かれはいないだろう
He must be out.

どうしたらいいんだろう
What should I do?

ジョーはどこへったんだろう
I wonder where Joe went?

今日きょうにやるんでしょう
You’ll do it today right?

トムがゆうしょうしたんでしょう
Tom got first prize, didn’t he?

やりかたがわからないんでしょう
You don’t know how to do it, do you?

わたしたいしておこってるんでしょう
You’re angry with me, aren’t you?

ゆきでしょう
You like snow, don’t you?

Patron-only:

You can make sentences using the grammar rule you have learned in this lesson by clicking the button below, and I will check for you!

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9 thoughts on “Lesson 13: 〜だろう・でしょう

  1. Was it a coincidence or were the Nezuko and Zenitsu’s examples really a Kimetsu no Yaiba reference =))))

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  2. Why is the second example 「彼は来るだろう。」doesnt have の or ん after the Verb?

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    1. Admin bar avatar

      の or ん is optional.

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  3. Do の and ん have a meaning? I have understood that they’re optional, but do they convey some kind of meaning?

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    1. Admin bar avatar

      の/ん here are used to emphasize the whole sentence.

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  4. Hi! One more thing: do we always use the verb in plain form? Or can we use だろう and でしょう also with the polite form?

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    1. Admin bar avatar

      yes, plain form only

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  5. どうしたらいいんだろう <- could you explain this sentence piece by piece please? Is it どうしたら + いい + ん+だろう?
    Also, is ~だろう similar to ~かな? Meaning and formality wise.

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    1. Admin bar avatar

      どうしたら What to do
      いい good
      どうしたらいい to do what is good → what should I do?
      んだろう → ん is used to emphasize the sentence, you can drop it.

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