Among them, proper nouns are the special names of individual people, places, things, groups and institutions.
The main points of proper nouns knowledge are as follows:
1. The first letter of a notional word in a proper noun should be capitalized. Such as: Beijing, Tom, People's Republic of China (PRC) (People's Republic of China).
2. If proper nouns are phrases containing common nouns, the definite article the must be used. Such as the Great Wall.
If the surname is plural, it means that the surname is a family (plural meaning). For example: the Greens.