have a communication可数吗

正确的表达是have communication with

communication是不可数名词。意思有表达;交流;交际;传递;通信;交通联系;信息;书信;电话

Do we have any communication with the president at all?

我们到底有跟总统联系过吗？

They have maintaining communication with foreign intelligence agents for years.

他们和外国谍报员交换情报已有多年。

Have good communication with English language, And understand German is preferred.

优秀的英语说写能力，兼懂德语者优先。