Who they are and where they come from is not know这句话正确吗？为什么用is?还有是不是该用known呀？

显示全部楼层 · 2012-7-17 18:26:28

is 正确，属于同位语从句，句首加个That 就会更明显。另外，know 不对，因该用known。...

千问 · 2012-7-17 18:26:28

who they are and where they come from看成一个整体，用单数。know应该为known...

千问 · 2012-7-17 18:26:28

应该是is not known 这里是被动关系表不为人所知，人们不知道。...

千问 · 2012-7-17 18:26:28

The dancer and singer is my Mum.-此句谓语不能用复数哦。--意思是这位既是舞蹈家（一个人2个身份）也是歌唱家的人是我妈妈。如果：The dancer...

千问 · 2012-7-17 18:26:28

是一件事情用is ，两件事情用are。如：When and where to hold the meeting hasn't been decided....

Who they are and where they come from is not know这句话正确吗？ 为什么用is?还有是不是该用known呀？