They are play the violin.错在哪里,怎么改把回答的别进
问题描述：
They are play the violin.错在哪里,怎么改
把回答的别进
答
They are playing the violin.他们正在拉小提琴
答
They are playing the violin.
答
时态错了，应该是现在进行时：
They are playing the violin.（他们正在演奏小提琴）
答
they are playing the violin.
答
应该是：
1 They play the violin.
2 They are playing the violin.