- It will take 5 days to manufacture them
- It took us half an hour to wait
If I want to change the sentences above to noun phrases, time's possessive form, can I write them as below, thanks in advance.
- 5 days' production
- Half an hour's waiting
- It will take 5 days to manufacture them
- It took us half an hour to wait
If I want to change the sentences above to noun phrases, time's possessive form, can I write them as below, thanks in advance.
- 5 days' production
- Half an hour's waiting
Your examples are correct.
Depending on the context, you might change the phrasing.
"Five days' production" would often be phrased "Five days' production time" and "Half-hour's waiting" would often be phrased "a half-hour's wait." But again, this will depend on the rest of the sentence.