"AM", "ARE" and "IS"
Use "am" with I. Example: I am a student.
Use "are" with you, we or they. We also use "are" when we talk about more than one person or thing. Example: You are beautiful.
My brother and I are studying English.
Peter and Mary are at home now.
Use "is" with he, she or it. We also use "is" when we talk about one person, thing or animal.
Dog is a pet animal.
Sam is my neighbor.
Mary is thirsty.