Only recently have they come to see the vital part forests will have to play in storing carbon.
想问介词短语in...做什么成分?
句中the vital part forests will have to play in storing carbon
forests will have to play是做定从,那in storing carbon是做什么成分,是做the vital part的定语,还是做定从 forests will have to play里的状语?
原句等于Only recently have they come to see the vital part that forests will have to play in storing carbon.意思是“最近他们才意识到森林在储存碳上将起到重要作用。”全句是only 开头的倒装句;省略that的定语从句“forests will have to play in storing carbon”修饰”the vital part”;在定语从句中"the vital pary"作“ play”的宾语,构成短语“ will have to play the vital pary in”, 后接宾语“”storing carbon”。
Only recently have they come to see the vital par(that/which省略)forests will have to play in storing carbon.
解析:Only+时间状语(recently)+助动词(have)+主语(they)+过去分词(come)+不定式(to see)+不定式宾语(the vital part )+被省略掉关系代词(that/which)+定语从句主语(forests)+定语从句谓语动词(will have to play)+定语从句方面状语(in storing carbon) only+时间状语+助动词+主语+谓语动词 的 半倒装结构。
备注:引导定语从句的关系代词that/which在定语从句作谓语动词will have to play的宾语,同时被省略掉。
to see【不定式】// the vital part【不定式宾语】// 【关系代词that/which省略】// forests 【主语】// will have to play【谓语动词】// in storing carbon【方面状语】// .
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