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as to 的用法!simon is so good at making friends as to be popula

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as to 的用法!
simon is so good at making friends as to be popular even with plants.帮帮分析下这句话的句子结构?哪是主语,谓语,宾语?as to 后为什么接be popular是被动语态吗?还有have加动词分词可以构成被动语态吗?
as to 的用法!simon is so good at making friends as to be popula
Simon是主语,is是谓语.
可以把这句话简化下理解,so..as to是以至于的意思,simon is so good as to be popular,simon很善于.以至于很受欢迎.as to后边只是加动词原形,不是被动语态,is的原形是be.
参考下too..to句型,He is too tired to move.这个to后边也是加动词原形.
这句话也可以用so..that..句型表示.simon is so good at making friends so that he is pupular even with plants.
have加动词过去分词可以构成被动语态.I have been told by him.我已经被他告知了.
再问: 不加been不行吗?
再答: be+过去分词才是被动语态啊,不加就是一般完成时咯