down既可用作及物动词，也可用作不及物动词。用作及物动词时，接名词、代词作宾语。作动词时意为（一下子）喝下，吃下；击倒。那么down的现在分词和过去分词是什么呢？
down的现在分词和过去分词
第三人称单数：downs
复数：downs
现在分词：downing
过去式：downed
过去分词：downed
例句：
That should calm you down.
那可能让你们安静下来。
We slid down the roof and dropped to the ground.
我们沿着屋顶滑了下来，落到地上。
Crime has gone down 70 percent
犯罪率下降了70%。
So I write them down.
所以我把它们记下来。
The beach shelved gently down to the water.
海滩缓缓地向下没入水中。
She branched off down the earth track.
她改变路线，沿着土路走了下去。
She was halfway down when she heard the noise.
她向下走到一半时，听到了响声。
I cast my eyes down briefly
我向下瞥了一眼。
She reached down, touching her toes with opposite hands
她弯腰向下，左右手交叉触及脚趾。
It's pushing down here. It's also there.
在这里向下压，这里也有。
Prices have gone down recently.
最近物价下降了。
