帮忙看下我的这篇作文有什么语法错误？

Question

The writer went to the theatre last week and he didn`t enjoy the play with a young man and a young woman sat behind him talked loudly. Because of this,he couldn`t hear the actors and turn round to said that he couldn`t hear a word. But the answer is 'This is a private conversation!'

Answer 1

语法错误如下:

1，第三行中sat应该改为sitting; talked 改为 and talking。

2，第四行中said 应该改为 say。

其余都对。