Source: Focus on Grammar Workbook 2nd edition, pages
153-158 Date: ____________________
Exercise 1 Affirmative and Negative Statements with Must
- Jack is wearing a gold wedding band on his ring finger.
He (be) _____________________________________ married.
- You have been calling Alicia since 8:00 p.m., but no one answers the
She (be) _______________________________________ at home.
- Jackie got 98 percent on her math test.
Her parents (feel) ____________________________________ proud of her.
- Carlos works from 9:00 to 5:00 and then attends night school.
He (have) _____________________________________ a lot of free time.
- Martin works as a mechanic in Al's Automobile Shop.
He (know) ___________________________________ a lot about cars.
- Monica owns two houses an four cars.
She ( have) _________________________________ a lot of money.
- Mr. Cantor always asks me to repeat what I say.
He (hear) _____________________________________ well.
- Chen only got four hours of sleep last night.
He (feel) _________________________________very tired today.
- Carmen was born in Mexico and moved to the United States when she was ten.
She (speak) ___________________________________ Spanish.
- Mindy never gets good grades.
She (study)____________________________________ enough.
- Dan just bought a bottle of aspirin and four boxes of tissues.
He (have) ____________________________________________ a cold.
- Ana and Giorgio didn't have any of the steak.
they (eat) _______________________________________ meat.
Exercise 2 Contrast: Must or May/Might/Could
Directions: Circle the correct words to complete these
- A: Someone broke into the Petersons' house.
B: That's terrible! What did they take?
A: All of Mrs. Peterson's jewelry.
B: Oh, no! She could/must feel awful.
- A: Is she home now?
B: I don't know. She might/must be home. She
sometimes gets home by 6:00.
- A: Do the Petersons have insurance?
B: Oh, they could/must. Mr. Peterson works at an
- A: Have you checked our burglar alarm lately?
B: Yes. And I just put in a new battery.
A: Good. So it must/might be OK.
- A: Do you remember that guy we saw outside the Petersons' home last
B: Yes. Why? Do you think he might/must be
- A: I don't know. I guess he must/could be the
burglar. He looked a little suspicious.
B: Maybe we should tell the police about him.
- A: Someone's at the door.
B: Who could/must it be?
A: I don't know.
- A: Detective Kramer wanted to ask us some questions about the
B: On. It must/could be him. We're not expecting
- A: How old do you think Detective Kramer is?
B: Well, he's been a detective for ten years. So he must/might
be a least thirty-five.
- A: You're right. He couldn't/might not be much
younger than thirty-five. He probably started out as a lice officer
and became a detective in his early twenties.
B: He looks a lot younger, though.
Exercise 3 Short Answers with Must or May/Might/Could
Directions: Answer the questions with short answers.. Include
be when necessary.
- A: Is Ron a detective?
B: He _______________________. He always carries a notepad.
- A: Does Marta speak Spanish?
B: ________________________. She lived in Spain for four years.
- A: Do the Taylors have a lot of money?
B: _______________________________. They have two homes, and
they're always taking expensive vacations.
- A: Is Ricardo married?
B: _______________________________. He wears a wedding ring.
- A: Does Anna know Meng?
B: _______________________________. They both work for the same
company, but there are more than 100 employees.
- A: Is your phone out of order?
B: __________________________________________. It hasn't rung
once today, and John always calls me by this time.
- A: Are Marcia and Scott married?
B: ________________________________________. They both have the
same last name, but it's possible that they're brother and sister.
- A: Does Glenda drive?
B: _______________________________________. She owns a car.
- A: Is Oscar an only child?
B: _______________________________________. He's never mentioned
a brother or sister. I really don't know.
- A: Are the Hendersons away?
B: _______________________________________. I haven't seen them
for a week, and there are no lights on in their apartment.