there might be a big dog ____ there.A sit B sat C sitting 选C 为什么 sitting前不加is
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![there might be a big dog ____ there.A sit B sat C sitting 选C 为什么 sitting前不加is](/uploads/image/z/8794836-36-6.jpg?t=there+might+be+a+big+dog+____+there.A+sit+B+sat+C+sitting+%E9%80%89C+%E4%B8%BA%E4%BB%80%E4%B9%88+sitting%E5%89%8D%E4%B8%8D%E5%8A%A0is)
there might be a big dog ____ there.A sit B sat C sitting 选C 为什么 sitting前不加is
there might be a big dog ____ there.A sit B sat C sitting 选C 为什么 sitting前不加is
there might be a big dog ____ there.A sit B sat C sitting 选C 为什么 sitting前不加is
在这句话中,谓语是might be.如果我们再加一个谓语is,那么就需要再加一个主语which,整句话就是:There might be a dog which is sitting there.
上面这句话可以去掉一个主语,一个谓语,既去掉which is,句子就成了:There might be a dog sitting there.这里的sitting there 是后置定语,修饰dog.
因为一个句子只能有一个动词做谓语,这个句子已经有might be了,后面就不能加谓语is了~
后置壮语。