Is there not对吗?

Is there not对吗? 如果问句是：There is not a computer in your room,is there?答句是：肯定：Yes,there is.否定：No,there is not这样对吗 There is not any What is not there? There is some tea对吗? there is no 和 there is not there is not a map on the wall这话对吗?还是tere is no a map on the wall?对 There is not much time there is not much use 请问下一句英语对吗?there is no past we can not get through,nor can the future we strive for! There is a fire.这个句子对吗 there is a people这句话对吗 Is the pay phone?对吗?前面不加there对吗 there is none there are none都对吗? 是there is't 还是there's 要表达 there is not 是there is't 还是there's not there is not anything是不是等于there is nothing there is no 和 there is not的区别 there are not have enough trees on Earth对吗