主语you可以用are为啥your 可以用is?

主语you可以用are为啥your 可以用is? are you playing hess?改陈述句.主语不变可以吗? how old are you可以改成how are your ....What nationality are you ..你的国籍是哪..你是哪里人...这句话可以说成What is your nationality?可以这么说么?还是必须特殊疑问词+系动词+主语.或者说Where are you from? Would you mind doing sth?为啥不可以用could? Are your parents living?改成is your 或are you可以吗,为什么? Are your parents living?改成is your 或are you可以吗,为什么? your 前面可以用is吗?什么情况下用?You是不是只能用are how are you doing with your work的回答可以用very good吗 you are doing your homework.用I做主语改写句子 Are you in the living room怎么用your brother作主语改写句子 where are you going on holiday?还可以等于 where are you going ()()your holiday 英语的YOU可以做主语么 what nationality are you?和 what's your nationality?为什么还可以倒过来?别的句子也可以吗?what's your job?可以变what job are you Chew your food well before you swallow it.为什么要用CHEW呢?不是动词作主语要变成动名词形式么?谁可以帮我一下.. If you are not feeling___,you should try to change your life.A happy B satisfied求解释B为什么错误不可用,satisfied一般主语是人,表示感到满足的,形容词,句意上面看貌似可以用噢. 动词不定式和动名词!动名词结构作主语,可以用名词或代词属格形式作逻辑主语.如:It's no use your pretending that you didn't know the rules. It's a waste of time your talking to him?为什么使用your如题.It 做后面从句的形式主语,从句中的your为什么不用you.变成you以后,即you talking to him.talking是talk 的动名词,可以看成是you talk to him而用your的话,