Znajdź i popraw jeden błędny wyraz w każdym zdaniu.

1. When I saw Toby last month, he said he had seen his brother three weeks ago.
2. Back in high school, I kept telling everyone that I want the undergo an operation.
3. On my first visit, the doctor asked me what I am going to do.
4. He promised that he would go for a check-up tomorrow, but he didn’t.
5. Three hours later, she entered the room and asked how long I’d been waiting here.
6. The teacher informed Mark’s parents that he has skipped most school days that year.
7. It was last month that Danny promised he will go to rehab.