1. Overview:
'So', 'such', and 'such a' are used to express degree and emphasis in sentences. They help to describe things more vividly and can show feelings or reactions.
2. Cases of Usage:
Case 1: 'So' is used with adjectives or adverbs to show a high degree of something.
Examples: She is so tired after the long trip. He was driving so quickly that he almost missed the exit.
Case 3: 'Such a' is used with singular countable nouns to emphasize the quality of the noun.
Example: He is such a great musician.
Case 4: 'Such' can be used with plural nouns or uncountable nouns without 'a'.
Examples: They have such nice friends. She has such beautiful hair that people always compliment her on it.
3. Things to Pay Attention To:
'So' cannot be used with nouns, only with adjectives or adverbs.
Example:
Incorrect: She is so good doctor.
Correct: She's such a good doctor / This doctor is so good.
