帮我写出时态结构```和各造一个句子`谢谢`
问题描述：
帮我写出时态结构```和各造一个句子`谢谢`
一般过去时
一般现在时
现在完成时
过去完成时
一般将来时
一般进行时
过去进行时
答
1.I was a student.
2.I am a student.
3.I have been to shanghai.
4.I had have a beautiful life since 3years ago.
5.I well go to school tomorrow.
6.I am going shopping now.
7.I was doing homework .