There are some ducks on the lake变为否定句和一般疑问句,做两种回答

There are some ducks on the lake变为否定句和一般疑问句,做两种回答 There are some ducks in the lake.(改为一般疑问句) 英语改写句子There were some ducks on the lake.(改为一般疑问句)There were there are some trees in the school.【变为否定句,一般疑问句并做肯定及否定回答】 There are some trees in the school.变为否定句、一般疑问句并做肯定及否定回答 急 there are some skirts on the bed改成一般疑问句,做否定和肯定回答. There are some pens on the desk.改为否定句和一般疑问句 there are some books on the book–shelf.（写成一般疑问句和否定句） 将There are some binoculars on the table变成一般疑问句,分别作肯定回答和否定回答 there are （some pencil） on the desk 句型转化 否定句、一般疑问句、肯否回答、括号提问 there are some knives in the pencil-box.变否定句、一般疑问句并作肯定和否定回答, there are some books on the table.(变为否定句