[請益] 虛主詞的動名詞？

[chari7586 (學習誠懇的跨出一步)]

https://i.imgur.com/FFEGTjN.jpg
這句好怪…請問這句的主詞是Getting to know her嗎？

可是我翻了三本文法書，虛主詞只有少數名詞搭配動名詞，例如no  use 或是useless

還是受詞是fun getting

但get的動名詞好像是沒有意思，只有文法變化的用途欸？

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→ dunchee: 這句子不怪。"It was fun getting to know her"是常見說
→ dunchee: 法，你只是不熟悉這「特定」說法。
→ dunchee: "....是Getting to know her嗎？" -> Yes.
→ dunchee: "虛主詞只有少數名詞搭配動名詞" -> (你列的 useles 是形
→ dunchee: 容詞) 也因為這侷限於特定的搭配字眼/使用場合，所以一般
→ dunchee: 文法書沒有列。(盲目的套的話出問題機率大)
→ dunchee: Swan的"Practical English Usage"有提到這用法。他的說明
→ dunchee: 是" 'It' can be a preparatory subject for an -ing
→ dunchee:     form. This is usually informal."
→ dunchee: 幾個實例: It was nice seeing you.
→ dunchee:  It's no use trying to explain.
→ dunchee: It's worth going to Wales if you have the time.
→ chari7586: 我比較常看到It was nice to see you.兩句語感差在哪呢
→ chari7586: ？
→ chari7586: worth 跟use 確實是常用搭配
→ chari7586: 哦哦，原來是informal的口語用法