词典词条 · 问答

subject complement ³ (表语或主语补足语)

核心问题

All I did was hit him on the head. 根据我掌握的英语语法知识,不定式充当表语时,是要带动词不定式符号 to 的。这里为什么不用?

词典解答

见to(动词不定式符号) $^{1}$ 。