上は うえは - Grammar Discussion

[Pushindawood]

once・since
now that
as long as

Structure

• Verb + 上は
• A 上(に)は B → B is because of A

Formal! Rarely used in modern Japanese (old-fashioned)
Use からには and 以上は instead.

[Words like つもり、たい、ことだ、べきだ、はずだ、ほうがいい、なければいけない、てください are often used with B]

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