Is this red? Yes,it is.No,It isn't.
This isn't red.
This is red,isn't it?
Is Alice OK?Yes,she is.No,she isn't.
Alice isn't OK.
Alice is OK,isn't she?
Is that cup blue?Yes,it is.No,it isn't.
That cup isn't blue.
That cup is blue,isn't it?
Is this red? Yes,it is.No,It isn't.
This isn't red.
This is red,isn't it?
Is Alice OK?Yes,she is.No,she isn't.
Alice isn't OK.
Alice is OK,isn't she?
Is that cup blue?Yes,it is.No,it isn't.
That cup isn't blue.
That cup is blue,isn't it?