1.she has supper every evening 变过去式 2.My was a studrent in 1990 变疑问句 变否定句
问题描述：
1.she has supper every evening 变过去式 2.My was a studrent in 1990 变疑问句 变否定句
3.They are living school now 变过去式 4.we shew him to library 对library提问 5.I arrived in beijing yesterday afternoon 对yesterday afternoon 提问 好的加200分
答
1.she had supper last night
2.Were you a student in 1990 疑问句
I wasn't a student in 1990.否定句
3.They were living school now
4.Where did they show him?
5.When did you arrive in beijing