talk過去式的過去式式是什么

　　例句：

　　OK. Now, let's talk some business.

　　好了。現在，咱們談點正事吧。

　　How dare you talk to me like that?

　　你竟敢這樣對我說話？

　　The boys all began to talk at once.

　　男孩們都馬上開始說話了。

　　A child learns to talk by imitation.

　　小孩子通過模仿學會說話。

　　You are not to talk during the exam.

　　考試期間不許說話。