4 6.69.1 Read the theory. How do
form the passive?
Pass
We use the passive when we don't know who
action or it is obvious from the context (Thero
closed today) or when the action is more imp
than the person who did it. (The new stadium
opened last Monday by the mayor.)
Active
Present A lot of tourists visit Spain is visited by a lot
Simple Spain every year.
They served dinner Dinner was served
Simple at 9 pm
Changing from active to passive
Subject
Verb
Active: The mayor opened
of tourists every year.
at 9 pm.
Object
the new museum
Passive: The new museum was opened by the mayor
The object of the active verb becomes the subject in
the passive sentence.
The active verb changes into a passive form.
The subject of the active verb becomes the agent.
The agent is introduced with by or it is omitted.
Note: by + person: Macbeth was written by Shakespea
with + object: The building was made with
marble​