Unit 15

Listen up!

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MODAL AND RELATED VERBS + PASSIVE: Must15

Food must be inspected before being served.

Customers must not be lied to.

This car must be sold before next week.

Drivers must be taught about safety.

Students must not leave school early.

Smoke detectors must be checked regularly.

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MODAL AND RELATED VERBS + PASSIVE: Must15

Example: Children must be motivated.

Make a sentence using must + be + past participle.

motivate

skip

notify

urge

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MODAL AND RELATED VERBS + PASSIVE: Have to15

Examples

Theories have to be tested.

Antibiotics have to be prescribed by a doctor.

Maiden names don’t have to be changed.

Computers have to be cleaned from time to time.

Carry-on bags don’t have to be checked.

Shirts and ties have to be worn at all times.

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MODAL AND RELATED VERBS + PASSIVE: Have to15

Example: People have to be taught to be more respectful.

Make a sentence using have to + be + past participle.

teach

request

inform

eat

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MODAL AND RELATED VERBS + PASSIVE: Should15

Examples

Ethical standards should be followed.

Hands should be clean before preparing food.

Pets shouldn’t be allowed on airplanes.

Airports should be required to make clear announcements.

Cell phone batteries should be charged before traveling.

Leaky faucets should be fixed so water isn’t wasted.

MUST

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MODAL AND RELATED VERBS + PASSIVE: Should15

Example: They should be told to hold off on buying that house.

Make a sentence using should + be + past participle.

hold off on

deal

wage

retailers

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MODAL AND RELATED VERBS + PASSIVE: May15

Examples

Cell phones may be used on some flights.

Computers may not be used in class.

Coffee may be consumed after take off.

Dogs may be allowed if they’re on a leash.

Bags may not be left unattended.

Items may be exchanged with a receipt.

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MODAL AND RELATED VERBS + PASSIVE: May15

Example: Some items may be purchased during the flight.

Make a sentence using should + be + past participle.

purchase

drinks

use

exchange

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MODAL AND RELATED VERBS + PASSIVE: Can

This coupon can be used for a discount.

Cell phones can’t be used during tests.

This car can’t be sold to anyone.

Butter can be substituted for oil.

Clothing can’t be returned without a receipt.

You can’t be admitted without a ticket.

15

ExamplesMUST

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MODAL AND RELATED VERBS + PASSIVE: Can15

Example: That cheese can’t be eaten without bread.

Make a sentence using can + be + past participle.

Practice

cheese

consume

inform

launch

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