

Must / Have to (+ and -)
Presentation
•
English
•
University
•
Practice Problem
•
Medium
Minerva Medina Pacheco
Used 90+ times
FREE Resource
14 Slides • 5 Questions
1
Must / Have to / Has to (+ and -)

2
Must & Have to
Both are used to talk about
CERTAINTY
NECESSITY
**OBLIGATION**
3
CERTAINTY (certain something is true)
Look at that snow!! It must be very cold outside!
Look at that snow!! It has to be very cold outside!
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EMPHASIZE NECESSITY
You must eat healthier so your health can improve
You have to eat healthier so your health can improve
5
OBLIGATION
There are differences
6
Example
I have to visit my grandma (external obligation, your grandma requested you to do that)
I must visit my grandma (personal obligation, the speaker thinks it is necessary)
7
More examples with HAVE TO
I have to do an essay about pollution, so I can't go out
The students have to take the San Diego test to prove they have a B1 level to graduate.
My sister has to wear formal clothes for her new job
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9
10
11
12
Multiple Choice
I don't like watching my house so dirty so I ____ clean it every day so I can be comforable and relaxed.
must
have to
13
Multiple Choice
My mom ______ show up to court at 8 am to testify on the crime she witnessed.
have to
has to
must
14
Must not / Mustn't
Can't
Don't have to
Doesn't have to
15
Multiple Choice
You ______ feed the animals.
must not
don't have to
16
Multiple Choice
The students _____ come to school tomorrow only the ones who have pending work.
must not
don't have to
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18
You can't smoke in this area
You mustn't smoke in this area
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Multiple Select
You _____ step on the grass
can't
must not
don't have to
Must / Have to / Has to (+ and -)

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