Question

【题目】Tom is walking in the park. (变为否定句)
Tom in the park.

Answer 1

【答案】isn't；walking
【解析】句意：汤姆正在公园散步。句子中有系动词be的句子，变否定句时，在系动词is后直接加not，缩写成isn't，所以答案是 isn't ，working。