用一般过去式 现在进行式 现在过去式给go through造句

1.一般过去式
She went through hard life in her childhood.
她童年时期经历了困苦的生活.
2.现在进行时
At present,China is going through a period of enormous personal and sexual freedom.
当前,中国正处于个人与性都有很大自由的时代.
3.现在完成时 (不说“现在过去式”）
The computer has gone through several evolutionary changes over its history.
电脑在其历史上曾历经数次巨大的变革.