watch的過去式和現在分詞怎麼寫

　　The shepherds watched their flocks.

　　牧羊人看守著自己的.羊群。

　　I could sit and watch the river all day long.

　　我可以整天坐在這裡看那條河。

　　You need to reset your watch to local time.

　　你需要把表調整到當地時間。

　　By my watch it is two o'clock.

　　我的表是兩點鐘。

　　Thousands of people paid good money to watch the band perform.

　　成千上萬的人花很多錢去觀看這支樂隊的演出。

　　Could you watch my bags for me while I buy a paper?

　　我去買份報紙，你能替我照看一下我的包嗎？

　　The child was watching it all with big round eyes.

　　這孩子睜著又大又圓的眼睛看著這一切。

　　Parents should control what their kids watch on television.

　　父母應該限定孩子看什麼樣的電視節目。