Question

现在完成时的结构

Answer 1

现在完成时的构成如下：

肯定句：主语 + have/has + 过去分词...

否定句：主语 + have/has + not + 过去分词...

疑问句：Have/Has + 主语 + 过去分词...?

疑问代词/疑问副词 + have/has + 主语 + 过去分词...?

1、She didn't go to bed until she had finished her work.

她直到把工作做完之后才睡觉。

2、l have owned a puppy before.

我以前养过一只小狗。

3、How long have you been working in this library?

你在这家图书馆工作多久了？

4、She has been teaching in this school for ten years.

她在这所学校教书已经10年了。

5、Hardly had l reached the school when the bell rang.

我一到学校，铃就响了。

6、His shoes are dirty.

他的鞋子脏了。

7、l have been reading the novel.

我一直在看这部小说。

8、l had thought l could pass the final examination but l failed.

我估计我可以通过期末考试，但结果我没通过。