The team of archaeologists left their tools behind at the site. The antecedent is an indefinite pronoun . Everyone will take her turn in throwing the ball. Each of the computers has its own printer. One is not likely to forget one's umbrella when it's raining.
Most indefinite pronouns are singular.
Dangling and Misplaced Modifiers Modifiers add information, expanding and enriching your sentences. Whenever possible, a modifier should be placed next to the headword, the word it adds information about. A misunderstanding and confusion is often the result when the headword does not exist or when the headword and modifier are separated. A dangling modifier is a word or phrase for which the logical headword cannot be found within the sentence. Many useful techniques are learned attending this seminar .