是they are all happy 还是they all are happy 关于sure ; of course not ; you are right ; you are all right 的用法.Beijing Opera is popular (with) old people.为什么用with?   my answer is different (from) yours.    为什么用from?         i hope( anything)[任何事物]goes well.  为什么用anything而不用everything     

你好！
1 They are all very happy. = All of them are very happy.
2 Sure. = Of course.
Of course not.当然不。
You are right. 你是对的。
You are all rigjht. 基本没见过这样的表达。但是常见 Are you all right? = Are you OK?你还好吗？
3 be popular with sb 受某人欢迎 是搭配
4 be different from sth 与什么不同 是搭配
5 I hope anything goes well. 不常见，基本没见过。 通常用everything
Everything goes well. 一切顺利 是固定表达
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they are all happy
you are right 你是对的you are all right你很好
Beijing Opera is popular (with)/among old people 都可以

my answer is different from yous. be different from sth. 是固定词组，译为“与……不同”

只回答三四问，是固定搭配，没有为什么，记住就好
be popular among/with...
be different from...

答案依次是：they are all happy,all是副词,放在be动词之后；
sure就是我们口语里的“是的,好的”；
of course和sure 意思相近,所以of course not 的意思是“当然不是啦”；
you are rigt,字面意思,你是对的；you are all right也是差不多意思,语气稍强一点；
be popular with sb.是一个词组,在……中很受欢迎的意思；
be different from sth.也是一个词组,和……不同的意思；
最后一个anything和everything都可以,在肯定句中两个意思是一样的,在否定句中一般用anything而非everything!

1 they are all happy 2 of course not， you are right是对的，you are all right不对 3 介词 固定用法 4 be different from 一样是固定用法 5 anything多指任何事，而everything多指每一件事，这里我觉得是通用的，根据意思自己去体会吧。