That's all the news there is for now.
问:前面已经有主谓了,there is 这里充当什么成分?
That's all the news (that) there is for now.
that there is 为定语从句。定语从句为there存在句,that指代先行词all the news, 并在定语从句中作存在句的主语。that在存在句作主语经常省略。
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