Page 103 - Yellow Feather Book 2
P. 103
Examples:
All of the students were asked to write their answers.
All of the sugar is still in its wrapper.
After the trip, all found their way to the ranch.
In the above sentence, all designates the students. Students can be counted (1 student, 2 students, etc.) Therefore, the plural pronoun their is the correct referent for all.
In the above sentence, all designates sugar. Sugar cannot be counted (1 sugar, 2 sugars). Therefore, the singular pronoun, its, is the correct referent for all.
In the above sentence, all designates some unnamed people (e.g. campers, ranchers). Campers, ranchers – people – CAN be counted. Therefore, the plural pronoun their is the correct referent for all.
102 The Yellow Feather Literature Third Course