There's a sign on zhe gras 改否定句和一般疑问句

There's a sign on zhe gras 改否定句和一般疑问句
There's a sign on zhe gras 改否定句和一般疑问句

There's a sign on zhe gras 改否定句和一般疑问句
楼上第二题有一个单词错了,即sogn
There's not a sign on the grass.
Is there a sign on the grass?

There isn't a sign on the grass .
Is there a sogn on the grass ?

is 后面加not就否定了，把is提前就一般疑问了。There isn't a sign on the grass.
Is there a sign on the grass?