The Microsoft Word grammar check shows "Tipsy's" to be wrongly formed. I thought "Tipsy'" would do the job and it was shown as correct. However, it occurred to me that Tipsy does not end in a 'z' or ...
If I am trying to say “That problem that belongs to someone else,” then what is the correct word to use in this sentence: That is someone else’s problem. My spell checker says else’s and elses ...