There is some rain这句话为什么要用is 而且rain还不加s呢?

There is some rain这句话为什么要用is 而且rain还不加s呢? If there is no rain同义句 There is hardly ( ) sign of rain.可填some.any 1.Taiwan is part__China.a.of b.from c.with2.There will be some heavy rain tomorrow.改为否定句 perhaps there will be some rain next week.(同义句） there ___ ___ some rain next week There is a heavy rain these days?同义句转换 there is much rain this year同义句 there is much rain today 的同义句 rain not in Africa is much there 连词成句 There is ____ today.A. some rain B. some windy C. a snow It is going to rain.They took some food and drinks.(这两个答句的问句是什么） It is going to rain.They took some food and drinks.(这两个答句的问句是什么） there will is much rain next month和there will much rain next month,哪句正确? In the desert,as we know,there is a little rain.这句最后一个词 rain 可以换成rains么?a There is some money in my purse.这句怎么变为一般疑问句和否定句 There may ___(be) some rain tomorrow There is a lot of rain today(写出同义句)填空句：_____very______today 英语:改写同意句There is much rain here in spring.We have ____ ____ ____ rain in spring