dig的过去式和过去分词和现在分词

They dug in their heels and would not lower the price.

他们说什么也不肯降价。

I dug around in my bag for a pen.

我在包里到处翻找笔。

We dug a deep pit in the yard.

我们在院子中挖了个深洞。

The enemy must be digging themselves in now ready for the attack

敌人现在一定在挖掩体，准备迎接进攻。

I think I'll do some digging in the garden.

我想我该给花园松松土了。