Is there a generic formula to express "to know how to do something"?

I know how to ask a question in the second person "How do you do something?", e.g.

How do you write "Yasuda" in kanji? 「やすだ」は漢字でどう書きますか。

I also know how to ask

Can he write "Yasuda" in kanji? 彼は「やすだ」を漢字で書けますか。

but I am struggling to put it in the third person:

Does he know how to write "Yasuda" in kanji?

  • 2
    書き方わかりますか? the focus on "know" as the main verb means you need to use わかる。
    – frei
    Commented May 10, 2017 at 2:30
  • 1
    to clarify, "how to do "X" is V<s>ます</s>方(かた)。Full sentence: 漢字で「やすだ」の書き方はわかる?
    – frei
    Commented May 10, 2017 at 7:24
  • @frei it should be 漢字での「やすだ」の書き方. 方 is a noun.
    – user4092
    Commented May 11, 2017 at 13:46

1 Answer 1


It's あの人は「やすだ」は漢字でどうやって書くか知っていますか?, generally, to know how to do something is どう(やって)…するか(を)知っている.

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