求分析句子结构 It's about a 40-minute walk from here.

问题描述:

求分析句子结构 It's about a 40-minute walk from here.

about a 40-minute walk from here表语(说笼统点)
it主语,is是谓语, a 40-minute 定语修饰walk, from here介词短语做定语修饰walk

it做形式主语,is做谓语,about做副词,40-minute walk做实际主语,from here做补语

【It 主语】【 is谓语】【 about a 40-minute walk from here表语】.
【a 40-minute 定语,修饰后面主体名词】walk【 from here 介词短语,定语,修饰前面名词】