___more attention,the tree could have grown have grown bette

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___more attention,the tree could have grown have grown better.
A given B to give C giving D having given 答案是A这道题还原成完整句应该是if the tree had been given more attention,the tree could have grown better 那是不是改成Having been given more attention,.更好点呢?

A Given 是对的.
你说得没错,还原成完整句应该If it had been given more attention,the tree could have grown better .但不能改为Having been given more attention,非真实条件句,当从句的主语与主句的主语相同时,可以改为非谓语（现在分词或过去分词）的省略形式,但不能用完成时态.

【俊狼猎英】团队为您解答.祝你进步.
再问：现在分词作状语中有having done 的形态啊如 having done the homewok,I went to play football
再答： having done的形式，只用在时间状语从句中。如你的这句： having done the homewok,I went to play football 【俊狼猎英】团队为您解答。祝你进步。请尽快采纳。

___more attention,the tree could have grown have grown bette ___more attention, the tree could have grown better Given more attention,the tree could have grown better中为什么用过去 __(give)more attention,the trees could have grown better. ____ more attention ,the trees could have grown better . _____ more attention ,the trees could have grown better __better attention,the cabbages could have grown better with 7 .____ more attention ,the trees could have grown better . 1.____________more attention,the trees could have grown bett Given more attention,the trees could have grown better.为什么句首应该是条件状语从句的Given more attention,the trees could have grown be Given more attention,the trees could have grown better.中为什么不