适当形式填空说明为什么1my brother is(sit)on the sofa and watching tv
问题描述：
适当形式填空说明为什么1my brother is(sit)on the sofa and watching tv
2.i have a good time(talk)with some old friends3.what do you usually do on(rain)days4.it often(snow)here in winter5.in these(country)you can speak chinese and english说是什么时态
答
1、sitting,be动词后面用分词形式；
2、talking,have good time doing sth
3、raining,分词形式修饰day,意为下雨天
4、snows,often表示一般现在时
5、contries,these后面用名词复数形式