歩(ほ)道(どう) hodouは wa落(お)ち()葉(ば) ochibaで de覆(おお)わ()れ()て()い()た() oowareteita。 The sidewalk was covered with fallen leaves. Literal Sidewalk [topic-は] fallen-leaves [with-で] was-covered. 覆われていた is the past continuous passive of 覆う ('cover') — 覆う → 覆われる → 覆われている → 覆われていた. で marks the means or material of covering. 落ち葉 ('fallen leaves') is a verb-noun compound: 落ちる + 葉. Classic autumn imagery. naturetrafficpassive voice (~れる/~られる)instrumental で (by means of)compound nouns
歩(ほ)道(どう) hodouは wa落(お)ち()葉(ば) ochibaで de覆(おお)わ()れ()て()い()た() oowareteita。 The sidewalk was covered with fallen leaves. Literal Sidewalk [topic-は] fallen-leaves [with-で] was-covered. 覆われていた is the past continuous passive of 覆う ('cover') — 覆う → 覆われる → 覆われている → 覆われていた. で marks the means or material of covering. 落ち葉 ('fallen leaves') is a verb-noun compound: 落ちる + 葉. Classic autumn imagery. naturetrafficpassive voice (~れる/~られる)instrumental で (by means of)compound nouns