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Sentence

この問もん題だいは本もとを正たださないと解かい決けつできない。

Span Details

pre-noun adjective

問もん題だい

problem; issue; matter

は

topic marker

grammar

本もとを正たださ

get to the bottom of something; trace back to the origin; investigate the root cause

-> 本を正すexpression, verb

must; have to; if not

解かい決けつ

settlement; solution; resolution

noun, suru verb

can; be able to; be possible

-> できるichidan verb

negative auxiliary