不发音e结尾的单词变过去分词

例句：

用作动词 (v.)

If I had the time, I 'd make something better.

如果有时间的话，我会做些更好吃的东西。

In the old China, we can't even make a nail, let alone machines.

在旧中国，我们连一个钉子都造不了，更不用说制造机器了。