An implicature of 'Some of my friends came' is 'Some of my friends did not come'.

“我的一些朋友来了”这句话的言外之意是“我的一些朋友没有来”。

《牛津词典》

They agreed that until that time he should come to her every evening, for the old woman came by day.

他们约定，在那之前，他每天晚上都要到她那儿去，因为老女巫是白天来的。

youdao

The fog had come in; so much the better when it came to sneaking away.

起雾了；如果雾慢慢散去就好了。

《柯林斯英汉双解大词典》

"I have lots of friends that came to U.S.C. That is the main reason I wanted to come.

VOA: special.2010.05.27

It's quite interesting and they became very proud. The parents came in. When they saw the map, "oh, this is where I come from".

这很有趣，孩子们也,深感自豪，当家长走进来看见地图后，他们会说：“喔，这是我的家乡“

麻省理工公开课 - 媒体、教育、市场课程节选

So you should have gotten two handouts as you came in, and if you didn't, please raise your hand and a TA will come to you and get you that second handout.

因此你们应该都在进来的时候拿到了两份讲义，如果你没有，请举手示意，助教会过去,给你第二份讲义。

麻省理工公开课 - 化学原理课程节选

How come, came the question?

BBC: The war of words gets louder

Here Come the ABCs came out in 2005, was followed by a DVD set titled Venue Songs.

NPR: Here Comes They Might Be Giants

Would the money come, if it came at all, with strings attached or as reparations for damage to Africa's atmosphere?

ECONOMIST: Make the rich world feel guilty about global warming