1. A singular noun that does not end in ‘s’ by adding an apostrophe and ‘s’. Apostrophe is used in the following situations only.
e.g.,
(i) For living things
(ii) For certain dignified object such as a razor’s edge, a needle’s point.
(iii) For space, time or object weight such as a ton’s weight, a moment’s delay.
(iv) For some natural objects such as the sun’s, rays, the earth’s surface.
2. The singular noun ends with --use of both an apostrophe alone or apostrophe with ‘s‘ can be done.
e.g., The bus’s seats or the bus’ seats.
3. (i) The plural noun that ends in ‘s’ only an apostrophe is added.
e.g., the dog’s barking.
(ii) The plural noun that does not end in ‘s’ an apostrophe with ‘s’ is used.
e.g., the women’s team, children’s books.
4. Apostrophe is not used with possessive pronouns. e.g., yours faithfully, their room etc.
5. Double apostrophe in a sentence should be avoided.
e.g., My husband’s manager’s wife is ill. The wife of my husband’s manager is ill.
6. If else is used after the words like anybody, everybody somebody, someone etc. then apostrophe is used with else.
e.g., I obey your orders and no body else’s
7. use apostrophe with the last word in the following tiles.
e.g.,
(i) My brother in law’s wife.
(ii) Governor general’s instructions.
