This is a pen改为否定句,改为单复数转换改为一般疑问句或提问,肯定句做回答.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/08 13:24:46

This isn't a pen.
These are pens.
Are these pens?/ Is this a pen?
Yes,they are./Yes,it is.
如有问题,欢迎继续
再问：）
再问：哪个否定句，哪个单复数转换，哪个一般疑问句或提问和肯定句回答。
再答：否定句 This isn't a pen. 单复数转换 These are pens. 一般疑问句提问 Are these pens?/ Is this a pen? 肯定句回答 Yes, they are. /Yes, it is.

This is a pen改为否定句,改为单复数转换改为一般疑问句或提问,肯定句做回答. That is a pencil.改为否定句,单复数转换,一般疑问句或提问,肯定句做回答. These are my keys.改为否定句,改为单复数转换改为一般疑问句或提问,肯定句做回答. Those are my books.改为否定句,单复数转换,一般疑问句或提问,肯定句做回答. This is a bike 改为复数句、改为一般疑问句,肯定回答. It is a pen.改为否定句,并作肯定回答.改为一般疑问句,并作否定回答 This is my book.改为一般疑问句,并作肯定或否定句回答改为否定句，一般疑问句，做肯定回答，否定回答。 This is my sister.改为一般疑问句并做肯定回答 That's my brother改为否定句 This is a robot.改为一般疑问句,否定句,做否定回答 He is a student 改为否定句和一般疑问句并做一般疑问句的否定和肯定回答. 谢谢! The girl is singing a song.改为否定句,改为一般疑问句,肯定句回答,否定句回答