You can say students' learning ability or the learning ability of students. Even a room of my sister may occasionally occur in texts by erudite writers but more often it would be a room of my sister's. That is possible if your sister has several rooms and you are referring to one of them: This is a room of my sister' s .
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Anonymous 'learning ability of stuedents"Many of these decisions are made on the basis of style, not on the basis of grammar. Note that there are thousands and th
I think that 'students' learning aility' is correct
if two sentences are correct
Why is 'a room of my sister ' wrong and 'learning ability of students' is correct?