someone是不定代词，所以没有可数和不可数的说法。它做主语谓语用单数。
someone：pron.某人;重要人物。
扩展资料
Someone might find out, and that would never do.
也许有人会发现，那是绝对不行的`。
Someone has made an attempt on the Presidents life.
有人企图刺杀总统。
He could hear someone moving around in the room above.
他能听到楼上屋里有人走动。
Ill put you in touch with someone in your area.
我将安排你和你那个地区的一个人进行联系。
Someone has mixed up all the application forms.
有人把申请表都弄乱了。
