Explain the usage of pre-determiners.

Pre-determiners are a type of determiner that are used before other determiners or quantifiers to provide additional information or to modify the noun phrase. They help to further specify or quantify the noun phrase in terms of quantity, number, or order.

There are several types of pre-determiners that are commonly used in English:

1. Cardinal numbers: Pre-determiners such as "one," "two," "three," etc., are used to indicate a specific number or quantity before the main determiner. For example, "I have one book" or "She ate three apples."

2. Fractional numbers: Pre-determiners like "half," "quarter," or "third" are used to indicate a fraction or a part of a whole. For instance, "He ate half a pizza" or "She drank a quarter of the milk."

3. Multiplicative numbers: Pre-determiners such as "double," "triple," or "quadruple" are used to indicate a multiple or a multiplication of the main determiner. For example, "She earned double the amount of money" or "He scored triple the points."

4. Ordinal numbers: Pre-determiners like "first," "second," "third," etc., are used to indicate the order or sequence of the noun phrase. For instance, "He is the first person in line" or "She came in second place."

5. Possessive determiners: Pre-determiners such as "my," "your," "his," "her," etc., are used to indicate possession or ownership before the main determiner. For example, "My two dogs are very playful" or "Her three cats are sleeping."

6. Demonstrative determiners: Pre-determiners like "this," "that," "these," or "those" are used to indicate proximity or distance before the main determiner. For instance, "This many people attended the event" or "Those few students passed the exam."

7. Quantifiers: Pre-determiners such as "all," "both," "some," "any," "many," "few," etc., are used to indicate quantity or amount before the main determiner. For example, "All the students passed the test" or "Some few people attended the meeting."

Overall, pre-determiners play a crucial role in providing additional information or modifying the noun phrase by indicating quantity, number, order, possession, proximity, or quantity. They help to make the meaning of the noun phrase more specific and precise.