I willclean my room tomorrow（一般疑问句） this is an apple.（复数句）

She is my aunt.（改为一般疑问句） i this is an orang .（改为复数形式 Helen is my friend.（改为一般疑问句并作否定回答） This is my jacket.(改为复数句） Is this your picture?(改为复数句） That is my cousin.(改为一般疑问句,并作肯定 把This is an apple改为一般疑问句 This is our classroom.（一般疑问句,肯定回答） Whose book is this?（复数句） There is an apple in my bag变为一般疑问句和否定句,做两种回答 this apple tree is before my house(变为复数句） I should clean my room this Sunday.(改为一般疑问句） This is my room.改为一般疑问句 ( )this( this is an apple怎么改为复数句 将This is my room.为一般疑问句 This is my livling room改为一般疑问句