Unit 7 Health Matters


I was feeling a little under the weather the other day, so I decided to visit my doctor before things got worse. I called her in the morning, and I made an appointment for 9:30 a.m. When I arrived at her office, I had to fill out some insurance paperwork and a sheet describing my current medical condition, along with the symptoms I was feeling. After a few minutes, the nurse called my name and took me back to one of their examination rooms. She took my vital signs including my temperature and blood pressure, and then I waited until the doctor came in. After looking me over and asking a few questions, the doctor’sdiagnosis was that I had a bacterial infection. She wrote me out a prescription for some medication, which I was supposed to take two times a day. After the exam, I went back to the reception area and paid the bill.


What are Modal Verbs?

Modal verbs are special verbs which behave very differently from normal verbs. Here are some important differences:

1. Modal verbs do not take “-s” in the third person.


  • He can  speak Chinese.
  • She should  be here by 9:00.

2. You use “not” to make modal verbs negative, even in Simple Present and Simple Past.


  • He should not be late.
  • They might not come to the party.

3. Many modal verbs cannot be used in the past tenses or the future tenses.


  • He will can go with us. Not Correct
  • She musted study very hard. Not Correct

Common Modal Verbs

Ought to

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