tell的過去式和過去分詞是什么

　　They told us the dreadful news.

　　他們告訴了我們這個壞消息。

　　He told me I was flat-footed.

　　他告訴我說我是扁平足。

　　I told you. Get off the farm.

　　我告訴過你，離開農場。