Articles
Subject-Verb Agreement
Verb Tense
Pronouns
Plurals
100

“I went to store after school.”

“I went to the store after school.”

100

“She walk to class every morning.”

“She walks to class every morning.”

100

“Yesterday we watch a movie.”

“Yesterday we watched a movie.”

100

“Jake lost their backpack.”

“Jake lost his backpack.”

100

“There are three fox in the yard.”

“There are three foxes in the yard.”

200

“She wants to become engineer someday.”

“She wants to become an engineer someday.”

200

“The dogs barks at every stranger.”

“The dogs bark at every stranger.”

200

“By the time I arrived, they eat dinner already.”

“By the time I arrived, they had eaten dinner already.”

200

“Maria and Kevin forgot his homework.”

“Maria and Kevin forgot their homework.”

200

“All the womans in the office attended the meeting.”

“All the women in the office attended the meeting.”

300

“He gave me an advice that changed my life.”

“He gave me advice that changed my life.”

300

“Neither the teacher nor the students was ready for the exam.”

“Neither the teacher nor the students were ready for the exam.”

300

“If I would have known about the storm, I stayed home.”

“If I had known about the storm, I would have stayed home.”

300

“Each of the players must bring their own jersey.”

“Each of the players must bring his or her own jersey.”

300

“The criterias for admission are very strict.”


“The criteria for admission are very strict.”

400

“She has ability to explain complex ideas in simple way.”

“She has ability to explain complex ideas in simple way.”

400

“The list of missing assignments, along with the teacher’s notes, were posted online.”

“The list of missing assignments, along with the teacher’s notes, were posted online.”

400

“By next September, they will lived in Calgary for ten years.”

“By next September, they will have lived in Calgary for ten years.”

400

“When the manager spoke to the employees, they said the schedule would change.”

“When the manager spoke to the employees, she/he said the schedule would change.”

400

“The phenomenon observed in the experiments were difficult to explain.”

“The phenomena observed in the experiments were difficult to explain.”

500

“Neither of the boys have finished their assignment before the teacher collected it.”

“Neither of the boys has finished his assignment before the teacher collected it.”

500

“After walking through the museum for hours, the paintings was beginning to lose it’s appeal.”

“After walking through the museum for hours, the paintings were beginning to lose its appeal.”

500

“The committee are presenting their decision tomorrow, although each member have different opinion.”

“The committee are presenting their decision tomorrow, although each member has a different opinion.”

500

“No one in the classrooms know where the childrens’ projects were placed.”

“No one in the classrooms knows where the children’s projects were placed.”

500

“Had she took the earlier train, she wouldn’t missed the interview.”

“Had she taken the earlier train, she wouldn’t have missed the interview.”