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Sentence analysis
12Spans
Sentence
Span Details
四色問題
four-color problem; four-color map problemnoun
は、
topic markergrammar
1976
-noun
年
year; counter for years; counter for grades; apprenticeship period (usu. ten years)noun, counter
に
direction, time, indirect object, or target markergrammar
コンピュータ
computernoun
を
object markergrammar
使っ
use; make use of; employ; handle; spend; consume; speak-> 使うgodan verb
て
connective te-formgrammar
証明
proof; verification; certificationnoun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
た。
past tense or completed actiongrammar