My sis'ter is an urse.这句英语里哪个才是表语?

My sis'ter is an urse.这句英语里哪个才是表语?
My sis'ter is an urse.这句英语里哪个才是表语?

My sis'ter is an urse.这句英语里哪个才是表语?
一般对于简单句,be动词后面就是表语,也就是an nurse为表语.

an nurse

is an urse
be+...为表语

nurse是表语，不包括a

表语不知道是什么东西...
不过应该是My sister is a nurse吧...

an nurse 是表语 跟在be动词后面的宾语叫表语