why don't happy.语法有没有错误,why do you unhappy。语法有没有错误,

问题描述:

why don't happy.语法有没有错误,
why do you unhappy。语法有没有错误,

老弟呀,此句主语都没有呀!再说助动词do 怎么能单独作谓语呢?Why don't you feel happy?或者:Why aren't you happy?why do you unhappy?也是错的!应该是Why are you unhappy?表示主语的特征,性质,要用主系表结构,系...