有两种情况
1. some + 复数名词 和 are / were；
2. some + 单数名词或者不可数名词 和 is / was。
例句
Some prices are preposterously high.
有些价格高得离谱。
Some contracts are a mere formality.
有些合同纯属走形式。
He rasped out some instructions.
他粗声粗气地发出指令。
Regretfully, some jobs will be lost.
遗憾的是有些人将会失去工作。
