streak的過去式怎么變化

　　例句：

　　Rain had begun to streak the windowpanes.

　　雨水已經(jīng)開始在窗玻璃上沖出道道條痕。

　　And I hit a bad streak.

　　我的手氣就開始不好。

　　She suddenly grabbed my bag and streaked down the street on her motorbike.

　　她突然抓走我的包，騎著她的摩托在街上疾馳而去。