1. Last week, I went to the theatre. 时间状语：Last week 主语: I 谓语：went to 宾语： the theatre

2. I had a very good seat. 主语：I  谓语： had  宾语： a very good seat  这是一个名词短语，中心词是seat ,good是名词修饰seat,very是副词修饰good.

3. The play was very interesting. 主语：The play  谓语： was very interesting. 这是一个复合谓语由be动词was+形容词interesting(very是副词修饰interesting)

4. I didn't enjoy it.  主语：I 谓语：didn't enjoy 宾语：it

5. A young man and a young woman were sitting behind me. 主语： A young man and a young women 谓语：were sitting (复合谓语) 状语：behind me

6. They were talking loudly. 主语：They 谓语：were talking 状语：loudly

7. I got angry. 主语：I   系动词：got   表语：angry. 这个句子是主系表结构要引起注意，get 的过去式 got.

8. I couldn't hear the actors. 主语：I  谓语：couldn't hear (复合谓语)  宾语：the actors.

9. I turned round.  主语：I 谓语：turned round (动词短语做谓语)

10. I looked at the men and the woman angrily. 主语： I  谓语：looked at   宾语： the men and the woman  副词:angrily 修饰looked at.（副词修饰动词如果动词后面由谓语，副词要放到宾语的后面，这句就是一个典型的句子，很多人会不知道angrily到底是启什么作用的，它就是一个副词修饰动词looked at）

11. They didn't pay any attention. 主语： they 谓语： didn't pay any attention. (pay attention是一个动词词组）

12. In the end, I couldn't bear it.  主语： I  谓语： couldn't bear（复合谓语） 宾语： it

13. I turned round again. 同9

14. “I can't hear a word" I said angrily. 主语： I  谓语： can't hear (复合谓语)   宾语：a word   主语： I  谓语：said  angrily 副词修饰谓语said.

15. "It's none of your business" the young men said rudely.  

16. This is a private conversation. 主系表结构。