Passive voice (Simple present)
Create a sentence: the shops/close/later/Monday
The shops are closed later on Monday.
Create a sentence: the windows/opened/my mother
The windows were opened by my mother.
What's the formula for the passive voice in present perfect?
Object (becomes subject) + has/have + been + Past Participle (+ by + Subject).
Transform from passive to active: The report must be finished before the meeting.
Active: You must finish the report before the meeting.
Create a sentence in passive: they/clean/the office/every day.
The office is cleaned by them every day.
Change from active to passive: Columbus discovered America in 1492.
America was discovered by Columbus in 1492.
Transform from active to passive: The students have finished the project a day early.
The project has been finished a day early by the students.
Change from active to passive: The workers could have completed the bridge last month.
The bridge could have been completed last month.
Change from active to passive: She writes interesting stories.
Interesting stories are written by her.
Is this correct? "The championship game were won by the team."
No. The correct answer is "The championship game was won by the team."
Is this correct? "A brand-new product has being launched this month."
No, the correct sentence is "A brand-new product has been launched this month."
Is this the correct formula for past modals? "Object + Modal + have been + Past Participle"
Yes! It's correct.
Is this the correct passive form for simple present? "The mail was delivered by the postman every morning."
No. The correct sentence is "The mail is delivered by the postman every morning."
Change from active to passive: The police arrested the suspect immediately.
The suspect was arrested by the police immediately.
Transform to passive: People have told me that I have good presentation skills.
I have been told that I have good presentation skills.
How can we change this from active to passive? "The manager should have given us better instructions."
Better instructions should have been given to us by the manager.
Can I change this sentence to passive?: "He appears happy".
It's not possible. Why? "Appear" is a stative verb with no direct object.
Create a sentence: Leonardo da Vinci/paint/the Mona Lisa.
The Mona Lisa was painted by Leonardo da Vinci.
Is this correct? "A dozen cookies had been baked for the party."
No, the correct sentence is "A dozen cookies have been baked for the party."
Is it recommended to change this sentence to passive? "No one should have been surprised."
It's not recommended. "Surprised" refers to a state, and changing it can make it sound unnatural.