17. Some words end in -s and appear to be plural but are really singular and require singular verbs.
Measles is a dangerous disease.
On the other hand, some words ending in -s refer to a single thing but are nonetheless plural and require a plural verb.
The average worker’s earnings have gone up dramatically.
Our thanks go to the workers who supported the union.
18. Sometimes modifiers will get between a subject and its verb, but these modifiers must not confuse the agreement between the subject and its verb.
19. Fractional expressions such as a lot of, half of, a part of, a percentage of, a majority of are sometimes singular and sometimes plural, depending on the meaning. Sums and products of mathematical processes are expressed as singular and require singular verbs.
Forty percent of the student body is in favor of changing the policy.
Two and two is four.
Four times four divided by two is eight.
The department members but not the chair have decided not to teach on Janmashtamai.
It is not the faculty members but the principal who decides this issue.
21. Titles of books, movies, novels, etc. are treated as singular and take a singular verb.
Example:
The Sultan is a movie starring Salman Khan.
22. The word were replaces was in sentences that express a wish or are contrary to fact.
Example:
If Amit were here, you’d be sorry.
I wish it were Saturday.





