there be 句型+單復(fù)同形的名詞,be動(dòng)詞單復(fù)數(shù)
例如：
（1）山上面有綿羊.
There is a sheep on the hill.（一只）
There are some sheep on the hill.(多只）
（2）河里有魚.
There is a fish in the river.
There are some fish in the river.
根據(jù)be后面的名詞的意義確定be的單復(fù)數(shù)形式.