英语翻译

问题描述:

英语翻译
___________________(为了确保他参加会议),I called him up in advance.
这里为什么不能写成 :To ensure him attend the meeting或是To ensure his attending the meeting?

我觉得后者可以,前者固定搭配错误,应为To ensure him to attend the meeting,
固定短语:ensure sb to do ensure sb's doing