網路上看到三種說法:
1. It is no use + Ving
= It is of no use + to + 原V .
https://www.facebook.com/taiwanallenglish/posts/1843549975665307/
2. It is no use + 動名詞或不定詞（以動名詞較普遍）
= It is of no use + 動名詞或不定詞
https://www.facebook.com/mr.kao8324/posts/675543875912158/
3. 謝孟媛 中級文法 13
https://www.youtube.com/watch?v=QmKXsyh2jTc
2:24
It is no use trying to persuade him.
=It is of no use trying to persuade him.