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10 EDIT. Read the extract from a student’s project. Find and correct six more errors with
passive modals and the use of the by phrase.

Mystery at Sea:

The Mary Celeste

I have chosen to research the mystery
of the ship Mary Celeste. This famous story
be included
should include on any list of historical
mysteries. In early November 1872, the ship

left New York carrying goods to Italy. One
month later, the ship was discovered in

the Atlantic Ocean by another ship. There
was no one on board, but the goods that

the Mary Celeste was carrying were still on
the ship.

There was no sign of trouble, but the sailors, the captain, and his family could

not found. The ship’s lifeboat was missing, and a long rope was attached to the back
of the ship. Some versions of the story say that a fully prepared meal could see on

the table, so maybe everyone left in a hurry. This, however, cannot be confirmed.
Even now we don’t understand exactly what happened, and the truth may never

know.

In my opinion, the evidence should be examined again by people. New
information might discover using modern technology. Many people don’t agree with

me, though. They think some things just can’t be explain.

11 Apply.

A In your notebook, brainstorm a list of rules or instructions for these places. Use passive
modals.

• your school Textbooks must be purchased before classes begin.

• a library

• a museum

B Work with a partner. Share your ideas from exercise A. In your notebook, write more
instructions for the places in exercise A.

412 PASSIVE VOICE AND PARTICIPIAL ADJECTIVES
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