typist的动词形式是哪个单词

　　例句：

　　I was deemed to be a competent shorthand typist.

　　我被视为是一名能干的速记打字员。

　　It just so happened that the bank was seeking a typist.

　　恰巧这家银行需要一个打字员。

　　The two typist have already worked away all day.

　　这两位打字员已经工作一整天了。