Modals Expressing Prohibition

Take a look at the following pictures.
Study them carefully by observing the shapes, colors, the
position of people and/or objects, etc.
1.
Don’t speak

2
Turn off your cellphone

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
3.
Dogs not allowed

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
4.
No Water

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
5.
Don’t swim

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
6.
No Camera

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
7.
No foods and drinks

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
8.
No Smoking

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
9.
No Cycling

Take a look at the following pictures.
Study them carefully by observing the shapes, colors,
the position of people and/or objects, etc.
10.
No Running

Modals
A modal is a kind of auxiliary (helping) verb that
is used to express: ability, possibility, permission
or obligation.
Modal verbs are used before an action words
like dance, sing or play to add meaning to this
word

Prohibition
is the act of disallowing or prohibiting someone
in performing or doing something. Modals
showing prohibition includes can’t and must
not/ mustn’t

CAN’T
CAN’T usually gives the idea of something that is
against the rules particularly when we didn't
make the rules.
We can’t take photos in the museum.
You can’t visit that place without a membership
card.

CAN’T
CAN’T is also used in expressing impossibility in
the present.
The kids can’t go outside because of the
pandemic.
Everyone can’t travel anywhere because of the
travel restrictions.

CAN’T
Is the most common way to prohibit something
in English.
When it is against the rules or something is
prohibited.
It is not as formal as must not or may not, but it
is the most common.

CAN’T
You cannot park your car inside the school
grounds.
You can’t smoke in the office.

MUSTN’T
MUSTN’T often means that the action is forbidden
or dangerous. It is used when imposing the
following:
1. Order or a strong recommendation and is usually
used when the obligation comes from the person
speaking.
You mustn’t drink alcohol before you drive.
You mustn’t use your phone while driving.

MUSTN’T
2. To talk about the things or habits you need to
avoid doing.
I mustn’t be late for work this morning.
I mustn’t spend too much time in watching TV.

Directions: Write the proper modal of prohibition to
complete the following sentences.
1. You ________ drink too much at a party.
2. You ________ spend so much money on sweets.
3. Today he ________ work in the garden because it is raining.
4. You ________feed the animals more than once a day. It’s
bad for them.
5. You ________ shout in the classroom.
6. We ___________ feed the animals. It’s forbidden.
7. “You ________ step on the grass here,” the caretaker said.
8. You ________ eat with dirty hands.
9. Baby Bob is only six-month-old so he ________ walk.
10.I ________ lift this box – it’s too heavy! Would you help
me?

Directions: Write the proper modal of prohibition to
complete the following sentences.
11.You ________ cross the road when the red
light is showing.
12.You ___________ take food in your room.
13.You __________ use the elevators in case of
fire.
14.You __________ use a mobile phone in class.
15.The students ________ bring roller-skates
into the classroom.

Group Activity

Assignment

Assignment