In many western countries if you are the guest yo

问题补充：

In many western countries if you are the guest ,you

答案：

will be invited

(1) 主将从现

如果句子的描述属一般的事情,则主句用一般将来时,从句用一般现在时

I will leave if you don come.= If you don come,I will leave.

(2) 主现从现

如果句子的描述属真理性的,自然客观发生的,则主、从句均用一般现在时

If we put ice into fire,it melts.= Ice melts if we put it into fire.

======以下答案可供参考======

供参考答案1:

确实，主将从现

供参考答案2:

主将从现 will be invited

供参考答案3:

are invited