The four types of comma interrupters are
1. parenthetical expressions
2. two or more adjectives preceding a noun
3. appositive
4. compound sentence
5. direct address
6. dash

The four types of comma interrupters are parenthetical expressions, direct address, appositive, and two or more adjectives preceding a noun.

Explanation:

Comma interrupters are used to show emphasis or emotion in the middle of a thought.

Without the use of commas, the flow of reading can be annoying.

Its four types are:

Parenthetical expressions: They are words added to a sentence, which do not change their meaning. This information can be added or removed without changing the meaning of a sentence.Direct adress: It is set by a comma, or a pair of commas.  It is a construction in which who writes gives a direct message to an individual or a group.Appositive: It is also known as noun phrase, and provides information that further identifies or defines a noun.Two or more adjectives preceding a noun: A comma must not be placed between an adjective and the noun that follows immediately. Its correct use is to separate two or more adjectives that are found before a noun.