S/V Agreement - Indefinite Pronouns

Everyone (know, knows) about the importance of flossing.

• know

• knows

One of the benefits (is, are) clean teeth.

• is

• are

Many of us (realize, realizes) the effects of not flossing.

• realize

• realizes

Some of the effects (include, includes) red, swollen, or tender gums.

• include

• includes

Everybody in my class (is, are) also aware of the possibility of gum disease.

• is

• are

No one (underestimate, underestimates) the problems of gingivitis, a gum disease.

• underestimate

• underestimates

Anyone, at any age, (need, needs) to floss.

• need

• needs

Of all adults age sixty and over, most (have, has) lost all their teeth.

• have

• has

Some - and perhaps as many as half - of all high school students (has, have) gingivitis.

• has

• have

Almost nobody at our age (think, thinks) about this problem much.

• think

• thinks