1. Why don't you come to school yesterday, Hoa? ----> didn't
2. Where are you yesterday, Nam?-----> were
3. I need take your temperature.----> need to take
4. The doctor will see you after a few minutes-----> bỏ a
5. The doctor told me stay in bed.-----> me to stay
6. I am having headache. -----> a headache
7. The doctor told me wait for him in the waiting room.-----> to wait
8. What's the matter at you? ----> How is