Question

3) Rewrite the underline sentence
using the possessive form of
nouns Leith apostrophe and s.
a) This project was taught in the school of my sister
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Answer 1

My sister's project was taught in her school.

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To write a  noun in its possessive form, all you need to do is add an apostrophe (') then s to the word, if it is in the singular form. If the noun is in plural form, just add an apostrophe to the word to make it possessive.

Answer 2

This project's was taught in the school of my sister.