马上急用！！！！帮忙翻译一下这几个句子，用定语从句

1.那部上周我看过的电影，很有趣。（以“上周我看过”为定语从句）
The movie that I watched last week is very interesting.
2.那个在弹钢琴的女孩是李莉。（以“在弹钢琴的”为定语从句）
The girl who is playing the piano is Li li.
3.这是那本他在寻找的书。（以“他在寻找的”为定语从句）
This is the same book that he is looking for.
4.他是那个昨天被警察抓住的小偷。（以“那个昨天被警察抓住的”为定语从句）
He is the thief that was caught by the police yesterday.
请各位高手予以指教，谢谢！！！

1、The film which I watched last week was very interesting.
2、The girl who is playing the piano is Lili.
3、This is the book that he is looking for.
4、He is the thief who was arrested by police yesterday.
我对语法不太理解，随便翻译的。

The movie which I saw last week is interesting.
The girl who is playing the piano is Lily.
This is the book which he is looking for.
He was the thief whom I caught yesterday.

1、the film which I watch last week was very interesting
2\ the girl who is playing the piano is lily
3 this is the book which he is looking for
4 he was the thief who was cought by the pliceman yesterday