It is not entirely wrong. Must is a noun here, not a modal verb.. From Oxford: [usually singular] (informal) something that you must do, see, buy, etc.
Your attendance at the meeting is of the utmost importance. Your attendance at the meeting is of utmost importance. I've found an old forum discussion here, but they …
3. The attendees is the correct one (and not attendants as I initially thought) I circulate the agenda to the attendees of the meeting to be held next week. The second is not …
Your suggestion of attendance is perfectly workable too. Ultimately the best option to go with is the one that’s already in common use by people who will be reading the …
If, in a contract fr example, the text reads: "X has to finish the work by MM-DD-YYYY", does the "by" include the date or exclude it? In other words, will the work delivered on …
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