Sentence examples for compound subjects from inspiring English sources

Compound subjects ("trial and retrial") need a plural verb: "have attracted," not "has".

Compound subject.

It can have a compound subject or a compound predicate.

Make it "were," to agree with the compound subject.

The compound subject is plural; make it "extend".

In the first sentence, with a compound subject, make it "are".

Make it "do," to match the plural compound subject "New York and New Jersey".

But normally such a compound subject is plural; make it "research and innovation suffer".

The compound subject with "or" is singular, so the verb should be "compares".

"News and entertainment" are two things; the compound subject needs a plural verb.

A compound subject like this is plural and should take a plural verb.