this is my daughter怎么变成否定句?还有this is my dress.

This dress is (my daughter is) . 照 This dress is for my daughter .This dress is of my daughter. This is my daughter? this is my red dress(改为否定句) This is my dress.改成复数句. dress is for my this mother怎么连词成句 Whose is this dress?It‘s my daughter’s .It’s her dress. This is my friend This ( )( )my friend(改为否定句) this is my ruler改成否定句 This is my ruler (改为否定句) This is my ruler 的否定句 this is my eraser.改成否定句