They are play with dogs.哪里错了

题目

They are play with dogs.哪里错了

答案

They are playing with dogs.英语里面 are 表示动词,同时 play 也是动词,两个都是动词在句子里是不符合主谓宾的.将play 改为playing,整个句子的意思就是他们正在与狗玩耍.