AnalyzerSentence analysis7SpansSentence汽缶の点検は毎年行わなければならない。1000 character limitAnalyzeSentence汽き缶かんの点てん検けんは毎まい年とし行おこなわなければならない。Span Details汽き缶かんboilernounのpossession, attribution, nominalizer, or nominal linkergrammar点てん検けんinspection; check; examinationnoun, suru verbはtopic markergrammar毎まい年としevery year; annuallyadverb, noun行おこなわperform; carry out; conduct; do-> 行うgodan verbなければならない。must; have togrammarAlso Foundならないならないcannot help feeling; unbearably; irresistibly; must not; should not; must; have to; ought to; cannot; unable to; notoptional