Mom's shoes is not new敢肯定句和否定句

Question

my desk is clean改否定句和疑问句
this is a long ruler？改肯定句和否定句

Answer 1

答案：
1.mom's shoes are not new(shoes为复数）
肯定句：mom's shoes are new.
句子本身为否定句。疑问句为：are mom's shoes new?
1.my desk is clean
否定句：my desk is not(isn't) clean.
疑问句：is my desk clean?
2. this is a long ruler?
否定句：this is not(isn't) a long ruler.
实际上句子本身除掉问号就是肯定句。疑问句应该是：is this a long ruler?
望采纳。谢谢。

Answer 2

Mom is shoes is new(肯定句)
Mom is shoes is not new(否定句)
My desk is not clean(否定句)
Is my desk is clean?(疑问句)
This is a long ruler.(肯定句)
This is not a long ruler.(否定句)
我想说你写的第2句是错的，疑问句应该是Be动词在前面啊 如果那个是肯定句，那你干嘛在后面打一个问号呢？

Answer 3

my desk is not clean.
Is my desk clean?
this is a long ruler.本身就是肯定句
this is not a long ruler.
Mom`s shoes is new.肯定句

Answer 4

（Mom's shoes is not new是否定句）
（My desk is clean的否定句是：My desk isn't clean. 疑问句是：Is my desk clean?)
（this is a long ruler. 本身就是肯定句。否定句是：this isn't a long ruler.）

Answer 5

肯定：Mom's shoes is new。/否定：Mom's shoes is not new
否定：my desk is not clean/疑问： Is my desk clean?
肯定：this is a long ruler,否定：this is not a long ruler