Welcome to the World of Passive Voice!
Hello! Today, we are going to learn a very useful grammar tool called the Passive Voice. Don't worry if it sounds a bit "fancy" – it is actually something you see every day! By the end of these notes, you will know how to switch your sentences around like a pro for your Hong Kong Attainment Test.
1. What is the Passive Voice?
In most English sentences, we start with the person doing the action. This is called the Active Voice.
Example: Batman caught the joker. (Batman is the star of the sentence.)
In the Passive Voice, we want to focus on the person or thing that receives the action.
Example: The Joker was caught by Batman. (The Joker is now the star of the sentence!)
Did you know? We use the passive voice when we don't know who did the action, or when the action itself is more important than the person who did it!
Key Takeaway:
Active Voice: Focuses on the "Doer" (Who did it?).
Passive Voice: Focuses on the "Receiver" (What happened to it?).
2. The Golden Rule: How to Build a Passive Sentence
To make a passive sentence, you need to remember the "Be + V3" formula. Think of it as a sandwich! The "Be" verb and the "Past Participle" (V3) must always be together.
The 3 Steps to Change Active to Passive:
1. Move the Object (the receiver) to the front.
2. Add the correct form of the verb "to be" (is, am, are, was, were, will be).
3. Change the main verb into the Past Participle (V3) form (e.g., eaten, broken, cleaned).
4. (Optional) Add "by" followed by the person who did it at the end.
3. Passive Voice in Different Tenses
For your exams, you need to know how to use the passive voice in three main tenses. Let's look at them one by one:
A. Simple Present (Things that happen regularly)
Formula: am / is / are + Past Participle (V3)
• Active: Many people visit Hong Kong.
• Passive: Hong Kong is visited by many people.
B. Simple Past (Things that happened before)
Formula: was / were + Past Participle (V3)
• Active: Shakespeare wrote this play.
• Passive: This play was written by Shakespeare.
C. Simple Future (Things that will happen)
Formula: will be + Past Participle (V3)
• Active: The teacher will mark the tests tomorrow.
• Passive: The tests will be marked by the teacher tomorrow.
Quick Review Box:
Present: is / are + V3
Past: was / were + V3
Future: will be + V3
4. Common Mistakes to Avoid
Don't fall into these traps! Even top students sometimes make these mistakes:
1. Forgetting the "Be" Verb:
Incorrect: The window broken by the boy.
Correct: The window was broken by the boy.
2. Using the wrong Verb form:
Always use the Past Participle (V3), not the past tense (V2).
Incorrect: The cake was ate.
Correct: The cake was eaten. (eat -> ate -> eaten)
3. Subject-Verb Agreement:
Check if your new subject is singular or plural!
• The apple IS eaten. (One apple)
• The apples ARE eaten. (Many apples)
5. When do we use "by"?
We use "by" when we want to mention who did the action. However, we often leave it out if:
• We don't know who did it (e.g., My wallet was stolen!)
• It is obvious (e.g., The criminal was arrested. – We know it was the police.)
6. Summary & Memory Aid
To help you remember the structure, think of the word "B.P." (like a gas station or blood pressure):
B = Be verb (is/am/are/was/were/will be)
P = Past Participle (V3)
Key Takeaway:
The Passive Voice flips the sentence. The object becomes the subject. Just remember: New Subject + Be + V3!
Great job! You've reached the end of the notes. Keep practicing those V3 verb forms (like write-wrote-written or do-did-done), and you will find the Passive Voice much easier to master!