Error Correction
Test your proofreading skills by finding the grammar errors hidden in each paragraph.
How it works
Step 01
Each exercise contains a short paragraph with hidden grammatical errors. Read carefully — errors are underlined to give you a starting hint.
Every morning she go to the gym before work. Yesterday she forgot her water bottle and felt exhausting.
Find and click the errors in the text
Step 02
Click any word you think is wrong. The error highlights immediately and shows you the correct version alongside the mistake.
Every morning she go to the gym before work.
Error found!
✗ go → ✓ goes
Step 03
Every correction comes with a clear grammar explanation. Use the A button to generate a targeted exercise on the exact grammar rule you got wrong.
go
goes
Third-person singular present simple requires 's': she goes, not "she go".
Level A (A1–A2): Simple sentences and everyday vocabulary. Mistakes include basic verb forms, common irregular verbs, articles, prepositions, and spelling.
Every morning, Marcus up at seven o'clock. He a shower and eats breakfast. After breakfast, he dressed and walks to the bus stop near his house. The bus always on time, so he is never late. Marcus as a cashier a grocery store downtown. He likes his job because he can to many different people every day.
Every Saturday, Linda to the grocery store near her apartment. She always a shopping list before she home. Last week, she apples, bread, and milk. When she arrived at the store, there many shopping with their parents. The store was very busy, but Linda found everything she needed. She with her credit card and went home.
I a big family. I have two sisters and one brother. My sisters are than me, and my brother is than my sisters. My mother as a nurse at the hospital. My father is engineer and at office downtown. On Sundays, we always eat dinner together at my grandparents' house.
Last weekend, my friend and I to the park for the afternoon. We sandwiches and ate lunch outside under a big tree. people were at the park because the weather was and warm. After lunch, we soccer with some people we there. At one point, my friend and hurt his knee, but he was okay. We had a great time and to go back the following weekend.
My roommate how to make pasta last month. First, she water in a big pot and salt. Then she the vegetables and them in a pan with olive oil and garlic. The sauce delicious when it was cooking. Now she makes pasta every Friday, and we always every last bite.
Robert to work subway every day. He leaves home at eight o'clock and usually at his office at nine. The subway ride about thirty minutes. Sometimes the train is very , and Robert like being so close to strangers. He has to stand the whole trip when the train is full. He of moving to an apartment closer to work someday.
Last Tuesday, Maria to see the doctor because her throat . She in the waiting room for thirty before the doctor called her name. The doctor her and said she had infection. He her a prescription for antibiotics and told her to rest for several days. Maria the medicine at the pharmacy and went straight home to sleep.
My apartment is the third floor of a tall building. It two bedrooms, one bathroom, and a large kitchen. The living room is very and gets a lot of sunlight. My bedroom the largest room in the apartment. The is new and comfortable. The is close to the subway, which is very convenient. I have been living here two months and I love it.
Kevin his new job last Monday. He was very nervous when he at the office for the first time. His manager him to his desk and him to the whole team. Kevin everyone was very friendly and welcoming. At lunch, his coworkers him to eat with them at a nearby restaurant. He the office that evening feeling very .
Last week, James an email to boss. He wanted to ask for a day off on Friday because he had appointment at the doctor's office. He that he would finish all his work before he left. James the email carefully and pressed send. He one mistake, though — he accidentally it to the wrong person.