it can be, depends on the sentence
Thinking is not a compound word. A compound word is made of two words. Think is a word but 'ing' is not a word.
A subject can be compound or singular. If it is compound, then both are the subject. Example:John and Jeff rode their bikes.
compound subject
A compound subject is a sentance with two or more subjects.
Tony and I went to the movies. Tony and I is the compound subject.
a compound subject is two or more subjects joined by a conjuction
The subject isn't compound -- Kate is the subject.Wrote and edited is the compound predicate.
Some compound subject pronouns are someone, anyone, everyone, and whoever.
first of all your sentence is incorect! it would be "What is "a" compound subject"anyways a compound subject is when you have two subjects like in this sentence-Dave and Bill went to the movies together to see 2012.Dave and Bill would be the compound subject.
Yes sure why not. I was thinking of becoming a scenester
Yes
No it is not.