句型转换 This is my pen.（改为否定句）Tom is Sue's brother.(改为一般疑问句,并作肯

This is my pen.（改为否定句）
---This isn't my pen.
Tom is Sue's brother.(改为一般疑问句,并作肯定回答）
---Is Tom Sue's brother?
---Yes,he is.
We are friends.(改为一般疑问句,并作肯定回答）
---Are you friends?
---Yes,we are.
Williams is our teacher.(改为一般疑问句,并作肯定回答）
---Is Williams your teacher?
---Yes,he is.
Is Crisp our teacher.（改为否定句）
---Crisp isn't our teacher.
Is this you ruler?(做否定回答）
---No,it isn't.
Tom and bill are Sandy's friends.(改为否定句）
---Neither Tom nor Bill is Sandy's friends.

This is don’ t my pen
IsTom Sue's brother? Yes ,he is
Are you friends? Yes ,we are
Is Williams your teacher? Yes ,he is
Crisp isn't our teacher
No ,it isn't
Tom and bill are not Sandy's friends

This is not my pen
IsTom Sue's brother? Yes ,he is
Are you friends? Yes ,we are
Is Williams your teacher? Yes ,he is
Crisp isn't our teacher
No ,it isn't
Tom and bill are not Sandy's friends

This isn't my pen.
Is Tom Sue's brother?Yes,he is.
Are we friends?Yes,we are.
Is Williams our teacherYes,he is.
Crisp isn't our teacher.
No,it isn't.
Tom or bill aren't Sandy's friends