what is the part of speech in the following sentence all?

kyle took all of the erasers off tom's pencils.

You're not going to answer my questions?

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Please see Writeacher's answer below.

The word "all" in the sentence you provided is functioning as a determiner. It is modifying the noun "erasers" to indicate that Kyle took every eraser.

To identify the part of speech of a word, you can follow these steps:

1. Read the sentence and look for the word in question.
2. Consider the function of the word within the sentence.
3. Look up the word in a reliable dictionary or grammar resource that provides definitions and explanations of parts of speech.

In this case, "all" is acting as a determiner, which is a type of adjective that provides more information about nouns or pronouns. Since it is modifying the noun "erasers," it is acting as a determiner.