Singing was his favorite activity
Can "his favorite activity" be thesubject also?
But what if you turned it around:
His favorite activity was signing.
No. It's a subject complement.
http://www.chompchomp.com/terms/subjectcomplement.htm
Can "his favorite activity" be thesubject also?
His favorite activity was signing.
http://www.chompchomp.com/terms/subjectcomplement.htm