AnalyzerSentence analysis5SpansSentence結婚を前提に同棲を始めた。1000 character limitAnalyzeSentence結けっ婚こんを前ぜん提ていに同どう棲せいを始はじめた。Span Details結けっ婚こんを前ぜん提ていにwith a view to marriage; with marriage in mindexpression同どう棲せいcohabitation; living togethernoun, suru verbをobject markergrammar始はじめstart; begin; commence; start up; open; establish; start to ...; begin to ...-> 始めるichidan verb, auxiliaryた。past tense or completed actiongrammar