all后面省略了从属连词that吗

No one wanted to talk to me about my adventures,or to learn about my country. All they wanted to do was talk about mathematics and music.

请问老师，all 后面省略了从属连词that吗？还有……to do was (省略了to吗）talk about...

all后面是省略了that，但这个that是关系代词，引导定语从句修饰all, 并在从句中作to do的宾语。这个that不是从属连词。当不定式作表语，而主语部分含有实意动词do时，作表语的不定式的to可以省略（也可以不省略，但以省略更为常见）。例如：

What I will do is (to) buy a new car.

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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