Level
Beginner to intermediate
Used in
Complete the Words, all writing and speaking

The third-person -s

In the present simple, he, she, it and singular nouns add -s to the verb. It is the most common error in TOEFL Speaking, because the -s is easy to swallow.

  • My brother work in a bank.
    My brother works in a bank.
  • It depend on the situation.
    It depends on the situation.

Long subjects

Find the head noun and ignore the phrase after it. In "The results of the study are clear", the subject is results, not study.

Tricky cases

SubjectVerbExample
Each / everySingularEach student has a locker.
One of the + pluralSingularOne of the problems is cost.
A number ofPluralA number of students are absent.
The number ofSingularThe number of students is growing.
Uncountable nounsSingularThe information is useful.

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