谁能告诉我下面两句话有什么语法啊With the introduction of computers and other multimedia devices into the language classroom,the time has come for the learner to play a more active part than ever

谁能告诉我下面两句话有什么语法啊With the introduction of computers and other multimedia devices into the language classroom,the time has come for the learner to play a more active part than ever
谁能告诉我下面两句话有什么语法啊
With the introduction of computers and other multimedia devices into the language classroom,the time has come for the learner to play a more active part than ever

谁能告诉我下面两句话有什么语法啊With the introduction of computers and other multimedia devices into the language classroom,the time has come for the learner to play a more active part than ever
With the introduction of computers and other multimedia devices into the language classroom,介词短语作状语
the time 是主语
has come 是谓语
for the learner to play a more active part than ever 是定语,修饰主语the time ,为了平衡句子结构,避免头重脚轻,后置了.或许还原为下面这样你理解起来就轻松了：the time for the learner to play a more active part than ever has come

with的短语，（With the introduction of computers and other multimedia devices into the language classroom）
现在完成时，（the time has come for 。。。）

With the introduction of computers and other multimedia devices into the language classroom状语从句
the time has come for the learner to play a more active part than ever主句

With the introduction of computers and other multimedia devices into the language classroom---with的独立主格句子作原因状语
devices into the language classroom做other multimedia的定语
the learner是the time has ...

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With the introduction of computers and other multimedia devices into the language classroom---with的独立主格句子作原因状语
devices into the language classroom做other multimedia的定语
the learner是the time has come 的补语
the time has come for the learner to play a more active part than ever是现在完成时时态
to play a more active part than ever是learner 的状语
play a more active part than ever是比较级，现在比以前更加活跃！

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with的独立主格结构
短语divice into
the time has come for the learner to play a more active part than ever从has可看出是现在完成时，to play是动词不定式，than ever是比较级