Limits have been set for the number of fish to be caught at

学习时间:2026-09-25 14:32:22 阅读：2692

Limits have been set for the number of fish to be caught at one time.为什么是to be caught? 要用不定式?

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2026-09-25 14:32:22

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因为前面有“for the number of fish ”,这是不定式的复合结构【for sb to do sth---被动式：for sth to be done】