Correcting Sentences and Identifying the Grammar Problem

1. The following sentences contain grammar mistakes. Identify the mistakes and rewrite the sentences correctly. Identification and correction are assigned equal weight.
To understand Canadian literature, seminal figures such as Timothy Findley and Margaret Atwood should be studied carefully.
He volunteered to be one of the persons who was building the new gym.
The people in the department are not following instructions, they continue to proceed without regard to the plan.
He made the toast they raised their glasses.
Even though you are far from home and not subject to the same rules and regulations.
The men and women were working in the fields the children were picking strawberries.
A relationship that must be carefully examined.
We were disappointed at the small turnout for the school bazaar perhaps we should have advertised it more extensively.
To study for the final examination in algebra, a quiet room and plenty of black coffee are needed.
Alice, together with her sister, Cathy, have won an athletic scholarship.