flow的过去式和过去分词是flew flown吗？

词根： flow流，漂，飘动，流动to flow, float
动词 v. （河水等）流动
move like water
· That river is flowing very fast.
那条河流得很快。
· The river flows eastward into the sea.
河水东流入海。

动词 v. 流畅
move or spring forth smoothly or continuously
· The lines in this painting flow.
这幅画的线条很流畅。

动词 v. 飘垂，飘扬
fall in waves. hang loosely
· Red flags flow in the east wind.
红旗迎着东风招展。

名词 n. 流动
the act of flowing
· My friend has a great flow of words.
我朋友的话滔滔不绝。

名词 n. 潮涨
the coming in of the tide
· The flow of the tide is toward the shore at this time.
此刻潮水正向岸边涌涨。

名词 n. 流量，流率
the amount of liquid that flows in a given time, the rate of flow
· a flow of 100 gallons a minute
每分钟有一百加伦的流量

不对,应该是flow-flowed-flowed
fly-flew-flown
老师有时候一马虎也容易出错的.

flew flown是fly的过去式和过去分词

老