There are 5 things most people won't know about English.
“o’clock” stands for “of the clock”.
The word “SWIMS” is “SWIMS”, when viewed upside down.
To cite an example, we must use e.g. as opposed to ex:, which is in popular use. E.g. is derived from Latin and means “Exempli Gratia”, which shows that you are giving an example.
When an object or objects belong to a collection of people, then to show possession, the apostrophe is placed after the ‘s’. For example the sentence “The Shepherds’ sheep” implies that there are more than one Shepherds whereas “The Shepherd’s sheep” shows that there is only one Shepherd.
A new word is added to the dictionary approximately every two hours.