神马品牌网世纪天子号游轮怎么样:初一英语
来源：百度文库 编辑：神马品牌网 时间：2024/04/29 07:23:07
1.study的ing形式是什么?
2.Mary and Jack are reading books at home.的否定句是什么
2.Mary and Jack are reading books at home.的否定句是什么
1 study不用去y加ing
直接studying就可以了
2 are reading现在进行，直接在be的后面加not
Mary and Jack are not reading books at home.
studying
Mary and Jack aren't reading books.at home.
studying
Mary and Jack aren't reading books.at home.
studying
neither mary nor jack is reading at home