program的過(guò)去式和過(guò)去分詞怎么寫(xiě)

　　例句：

　　The program can model a typical home page for you.

　　這個(gè)程序可以幫你制作一份典型的主頁(yè)。

　　There are still a few residual problems with the computer program.

　　電腦程序還有一些殘留問(wèn)題。

　　In this class, students will learn how to program.

　　這節(jié)課學(xué)生將學(xué)習(xí)編程。