If you write one sentence describing the original paragraph's hook, and then a second sentence describing any supporting evidence in the paragraph, and then a third sentence describing the topic sentence, you will have written your critique.
no, as first person is being told by one character. it can not go back and forth between time like third person, unless the narrator, who's perspective we are seeing, takes us into a flash back or has powers which allows them to see the future.
Yes, I have to care for my little sister, little brother and myself
But how is this relevant to schoolwork?
Is this a question? Or just something you posted?
A good introduction should have thesis statement or the theme of the story and main ideas.