come是系动词吗?

　　Talking about my problems doesn't come easy to me.

　　要讲关于自己的问题，对我来说并不容易。

　　Had I known that I would never have come.

　　要是早知道，我绝不会来的。

　　Double the expected number of people came to the meeting.

　　出席会议的人数比预期的多一倍。

　　With the coming of modern technology, many jobs were lost.

　　随着现代技术的到来，许多工作岗位不复存在。

　　Please let me know how many are coming, if any.

　　请告诉我，如果有人要来的话，有多少？

　　The name has come down from the last century.

　　这名称是从上个世纪流传下来的。