take第三人称单数形式怎么写

　　例句：

　　I forgot to take my bag with me when I got off the bus.

　　我下公共汽车时忘了拿包。

　　I'm taking the kids swimming later.

　　我待会儿带孩子们去游泳。

　　I'd like to take my argument a stage further.

　　我想把我的论点进行进一步的.发挥。

　　I passed him the rope and he took it.

　　我把绳子递给他，他接了过去。

　　The sign must be taken down.

　　这个指示牌一定要摘下来。

　　Someone has taken my scarf.

　　有人把我的围巾拿走了。