That is his brother的複數形式

Those are his brothers

RELATED INFORMATIONS

1. It is a photo（改為複數句）
2. 完成句子1.This is a photo.（改為複數）_______ _______ ________photo 是_________ _____________photo.
3. this is a bus.【變為複數句】
4. whose coat it is？
5. 變複數Whose knife is this？It‘s Peter’s.——————————————————————
6. it is的複數
7. It is a watch.（改為複數形式）
8. that is her pencil—box（改複數句）
9. That is a box改為單數或則複數
10. It's a new box.（改為複數形式）一一一———new———
11. is that a box改成複數
12. 將下列句子變為複數句Is this a new shoe？Is that a pencil_box？She doesn't work on Subday It is not a watch. The child is singing happily.
13. This is my pencil（變為複數句）
14. this is a pencil改為複數句
15. 句型轉換.1.This is a pencil- box.（改為複數句）_______ ______ ______pencil-boxes. 2.Are you Miss Gao？（做否定回答）____，____ ____.3.The twins come from Japan.（改為同義句）The twins ____ ____Japan.4.I don't know how I can look after my dog.（改為同義句）.I don't know how ____ ____ ____my dog.5.Mr Green is from __the USA__.（對劃線部分提問）____ ____Mr Green ____？
16. Is that his class？怎麼變成複數形式？
17. That is his book.怎麼改為複數句
18. that is his brother改為複數句
19. that is a pencil.改為複數句
20. 不可數名詞是不是永遠都不可能用複數形式.（-s）比如水，永遠都不會出現waters這種情況？還有”cloud”是不是可數名詞，我覺得是不可數，但怎麼新概念第一册書上有”There are some clouds in the sky，but the sun is shining.”