改为一般疑问句:
is the dog running after a cat?
句子中有be动词,一般疑问句直接将be动词提前即可,即Is the dog running after a cat?
Is the dog running after a cat?
一般疑问句:Is the dog running after a cat?这只狗在追一只猫吗?
一般疑问句,直接把be动词提到句首就可以了Is the dog running after a cat?这只狗在一只猫后边追赶吗