英语,根据要求转换句型
问题描述：
英语,根据要求转换句型
1、It was time for lunch.（改为同义句）
2、He can’t see anything.（改为同义句）
3、He was in his room yesterday.（改为否定句）
答
1.It was time to have lunch.
2.He can see nothing.
3.He wasn't in his room yesterday.