Substitute a pronoun for the noun or noun phrase in italics.
Mary cleaned the house
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[tex]\large{\underline{\underline{\pmb{\frak {\color {red}{Question:}}}}}}[/tex]
[tex] \sf \red{Substitute \: a \: pronoun \: for \: the \: noun \: or \: noun \: phrase \: in \: italics.}
[/tex]
[tex] \sf \red{mary \: cleaned \: the \: house}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
In place of Mary write "she". Since the pronoun of Mary is she.
[tex]\large{\underline{\underline{\pmb{\frak {\color {red}{Question:}}}}}}[/tex]
[tex] \sf \red{what \: is \: pronoun}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
A word which can replace noun in a sentence is called Pronoun.
Eg:- Mary cleaned the house.
She cleaned the house.
As, we can see Mary is replaced by she in the sentence. So that's called pronoun.
[tex] \boxed{ \frak \red{BrainlySamurai}}[/tex]