Question

there is a lake in the park变否定句

There is a big lake in the park．（改为否定句）
There___ a big lake in the park．

Answer 1

答案：isn't．there be句型是"有"的意思．含有be动词is的句子变否定句直接在be动词is后加not．一个空is not缩写为isn't．答案是isn't．