各位英语高手!This isn't my mother(变肯定句)

This isn't my mother(变肯定句)
This is my mother (变一般疑问句
This isn't my grangdfather (变肯定句)
This is my father (变为否定句
They are my parents(变一般疑问句
This is my brother (变否定
This isn't my sister (变肯定句
This is my grandfather (变一般疑问句)
They are my grandeparents 变否定句
This isn't my grandemother (变肯定句)
That aren't my parents (变肯定句
Those are my sisters 变否定句
This isn't my brother 变肯定句
Those are my brothers变否定
Those are my friends 变一般疑问句
Those are my cousins 变否定句
This isn't my father 变肯定

This isn't my mother(变肯定句)
This is my mother

This is my mother (变一般疑问句）
Is this your mother?

This isn't my grangdfather (变肯定句)
This is my grangdfather.

This is my father (变为否定句
This isn't my father

They are my parents(变一般疑问句
Are they your parents?

This is my brother (变否定
This isn't my brother.

This isn't my sister (变肯定句
This is my sister.

This is my grandfather (变一般疑问句)
Is this your grandfather?

They are my grandeparents 变否定句
They aren't my grandparents.

This isn't my grandemother (变肯定句)
This is my grandmother.

That aren't my parents (变肯定句
that are my parents.

Those are my sisters 变否定句
Those aren't my sisters.

This isn't my brother 变肯定句
This is my brother.

Those are my brothers变否定
Those aren't my brothers.