begin的过去式和现在分词是什么

began过去式beginning现在分词，下面我们就来说一说关于begin的过去式和现在分词是什么?我们一起去了解并探讨一下这个问题吧!

begin的过去式和现在分词是什么

began过去式

beginning现在分词

1.

The project is beginning to show results.

这项工程开始显出成效。

2.

I was beginning to think you'd never come.

我开始以为你是不会来了。

3.

The pressure of work is beginning to get to him.

工作的压力使他烦恼起来。

4.

We began work on the project in May.

我们于五月份启动了这项工程。

牛津高阶英汉双解词典

5.

Work has begun on the construction of the new airport.