1.主语 + 系动词 + 表语:
A foreign language is a weapon in the struggle of life.
The plan sounds perfect.
This material feels soft.
This is where I work.
2.主语 + 谓语:
The telephone rang.
His father might have died.
We all breathe, drink and eat.
注:这种结构中的谓语动词是不及物动词,状语并非结构上不可缺少的成分。但在某种情况下,不加状语便不能表达完整的意思,这就引出了下列句型: