use to do是什么時態

　　The whole universe will I use to do this.

　　我會用整個宇宙去做這件事。

　　Yes, but what did we use to do before there was television?

　　對，但是在電視問世之前我們做些什么呢？

　　You could also hear some one humming which was what my dad use to do.

　　還能聽見某人在哼著小曲，正如我父親生前所做的那樣。

　　This section describes the Java class that you use to do custom FTP.

　　這一節將描述用來定制FTP的Java類。

　　In the case of JMS, you need to tell the system which class to use to do this transformation.

　　對于JMS，您需要告訴系統使用哪個類來進行此轉換。