All you can do now is wait until we come.这句话的句子成分应该怎么分析?

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All you can do now is wait until we come.这句话的句子成分应该怎么分析?
All you can do now is wait until we come.
All you can do now 是主语从句,表示你现在能做的,
is 是谓语
wait 是不带to的不定式作宾语.
那么,主语从句All you can do now 前边怎么没有that呢?还是说这根本就不是一个主语从句?

All（主语） you can do now （修饰主语的定语从句）is （系动词）wait until we come（无to不定式作表语）
整句属于【主系表句型】句型

如果改为What you can do now 便是主语从句

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再问：谢谢您详细的解答，我还有两个疑问，，
1，定语从句不是也需要that这样的词吗？怎么不加呢？？我只记得宾语从句的时候才会省略that呀？
2，什么时候用不带to的不定式？？能不能言简意赅的说一下？？

谢谢您！
再答：关系代词that 等作宾语时可以省略，此句that 便是作do 的宾语，所以All 后见不着that主语部分有实意动词do, 此时作表语的不定式to可以省略，也可以不省！再如：The first thing for you to do is (to) find out where he lives.

All we can do is look at mug shots.这句话的句子成分怎么分析? All that we can do is wait 英语语法问题 Can we do it now and not wait until tomoorrow?同义句转换及翻译 where do you come from句子成分分析, All you do is walk up and down the street.怎么分析这句话里的语法成分.为什么有 Can we run across the road now? NO,we .We have to wait until you can come over now, but 10 minutes is all i can spare (ta You can come over now,but 10 minutes is all I can spare ___w We'd better wait until all our plans have come true.为什么用have 请帮忙分析一下这个句子的句子成分：Is there anything I can do for you?谢谢哦! 这句话应该句子成分如何分析? 疑问句的句子成分怎么分析?如Can you finish the work in time?和 how many do