Question

.把下列句子改为否定句。一般疑问句并肯定回答和否定回答

this is a book.
that is a pencil .
she's my friend
he's my father
those are pens
they are my parents
tom is my friend
kate is my sister
dale is her brother
these are desks

Answer 1

this is not a book. Is this a book? No, it isn't. Yes, it is
that is not a pencil. Is that a pencil?No, it isn't. Yes, it is.
She is not my friend. Is she your friend? No, she is not. Yes, she is.
He is not my father. Is he your father? No, he is not. Yes, he is.
Those are not pens. Are those pens? No, they are not. Yes, they are.
They are not my parents. Are they your parents? No, they are not. Yes, they are.
Tom is not my friend. Is Tom your friend? No, he is not. Yes, he is
Kate is not my sister. Is Kate your sister? No, she is not. Yes, she is.
Dale is not her brother. Is Dale her brother? No, he is not. Yes, he is.

Answer 2

this is not a book. is this a book? yes,that is ,no,that is not