In the sentence 'This is the girl who helps out on the weekends.', we can identify the pronouns and understand what a pronoun is.
What is a pronoun? A pronoun is a word that takes the place of a noun to avoid repetition. Common examples of pronouns include 'he', 'she', 'it', 'they', 'this', and 'who'.
Now let’s analyze your sentence:
- 'This' is a demonstrative pronoun, referring to a specific girl.
- 'who' is a relative pronoun, used to introduce additional information about 'the girl.'
Therefore, in this sentence, the pronouns are 'this' and 'who'.