Question

There is a lamp on the desk改为肯定句

Answer 1

问：There is a lamp on the desk改为肯定句

答：您好很高兴为您解答There is a lamp on the desk改为肯定句是A lamp is on the desk改为肯定句

问：有一盏台灯在书桌上用英语改为否定句

问：There is a lamp on the desk改为否定句

答：There is a lamp on the desk改为否定句There is not a lamp on the desk

答：扩展：not 表示否定1. 句型为主语＋联系动词be+表语：在be（am／are／is/was/were）后面加 not 即构成否定句。I am not hungry. 我不饿。I'm not a programmer. 我不是程序员。You are not a lawyer. 你不是律师。They are not Americans 他们不是美国人。

答：2. 句型为主语＋助动词（be， have和will）+谓语动词：在（be， have和will）后面加 not 即构成否定句。They are not playing chess. 他们不是在下棋。（现在进行时）She is not watching TV. 她不是在看电视。（现在进行时）We are not studying English. 我们不是在学英语。（现在进行时）I was not reading when she was listening to music. （过去进行时）她听音乐时，我没在看书