This is my book.改為複數形式There is a nice cat in the tree.改為複數形式Those are rulers單數形式

This is my book.改為複數形式There is a nice cat in the tree.改為複數形式Those are rulers單數形式

These are my books.
There are nice cats in the tree.
That is a ruler.

This is a beautiful picture（改為複數句）
_______ ______ _______________.
He used a pen to drew the picture（改為同義句）
He_______the picture________a pen.
Mr.Zhangis a tall man with long black hair（對a tall man with long black hair提問）
_______doesMr.Zhang___________？
Walt disney founded it in 1954.（對in 1954提問）
______ ______wait dinney_________it？
Nobody knows the reason.（改為一般疑問句）
________ ________know the reason？

There are some beautiful pictures.
He drew a picture by a pen.
How doesMr.Zhanglook？
When did Walt Disney found it？
Does anybody know the reason？

This is a picture改為複數形式是什麼

these are pictures