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Tense-Based Transformation (Present, Past, Future)

Introduction

Tense-Based Transformation pattern इस बात पर केंद्रित होता है कि अलग-अलग tenses में active sentence को passive में बदलते समय verb form कैसे बदलती है। हर tense (Present, Past, और Future) का passive voice में अपना specific “be + past participle” structure होता है। इसे समझने से आप sentence का रूप बदलते समय सही tense बनाए रख सकते हैं।

Pattern: Tense-Based Transformation (Present, Past, Future)

Pattern

Voice बदलते समय वाक्य का tense वही रहता है, लेकिन verb form “be + past participle” में बदल जाता है।

Formula:
Active: Subject + Verb + Object → Passive: Object + be (as per tense) + Verb (V3) + by + Subject

Step-by-Step Example

Question

Convert the following active sentence into passive voice:
They will finish the work tomorrow.

Options:
A. The work was finished by them tomorrow.
B. The work is finished by them tomorrow.
C. The work will be finished by them tomorrow.
D. The work has been finished by them tomorrow.

Solution

  1. Step 1: Tense पहचानें।

    ‘Will finish’ → simple future tense.

  2. Step 2: Object को शुरुआत में लाएँ।

    Object = the work → नया subject = The work.

  3. Step 3: Verb form passive में बदलें।

    Future tense → “will be + past participle” → will be finished.

  4. Step 4: Agent जोड़ें।

    → by them.

  5. Final Answer:

    The work will be finished by them tomorrow. → Option C.

  6. Quick Check:

    ‘Will be + V3’ सही future passive structure दर्शाता है। ✅

Quick Variations

Tense-wise Passive Voice Conversions
Tense TypeActive ExamplePassive Conversion
Present SimpleShe writes a letter.A letter is written by her.
Present ContinuousHe is reading a book.A book is being read by him.
Present PerfectThey have completed the project.The project has been completed by them.
Past SimpleThe police arrested the thief.The thief was arrested by the police.
Past ContinuousThe boy was playing football.Football was being played by the boy.
Past PerfectShe had cleaned the room.The room had been cleaned by her.
Future SimpleThey will build a bridge.A bridge will be built by them.
Future PerfectHe will have finished the report.The report will have been finished by him.

Trick to Always Use

  • Step 1: Active sentence का tense पहचानें।
  • Step 2: सही be form चुनें (is, am, are, was, were, be, been, being)।
  • Step 3: Main verb को उसके past participle रूप (V3) में बदलें।
  • Step 4: “by + subject” जोड़ें।

Summary

Summary

  • Voice transformation के दौरान वाक्य का tense नहीं बदलता।
  • हर tense की अलग ‘be’ form होती है (is, was, will be, etc.)।
  • Passive sentences में हमेशा मुख्य verb का past participle रूप इस्तेमाल होता है।
  • केवल वही वाक्य passive बनाए जा सकते हैं जिनमें object होता है।

Practice

(1/5)
1. Convert into passive voice:<br>She writes a poem.
easy
A. A poem was written by her.
B. A poem will be written by her.
C. A poem has been written by her.
D. A poem is written by her.

Solution

  1. Step 1: Identify the tense.

    ‘Writes’ = present simple.

  2. Step 2: Move object to subject place.

    Object = a poem → new subject.

  3. Step 3: Change the verb form.

    Present simple → is/am/are + past participle → is written.

  4. Step 4: Add agent.

    → by her.

  5. Final Answer:

    A poem is written by her. → Option D.

  6. Quick Check:

    Present simple passive correctly uses ‘is + V3’. ✅
Hint: Present simple → is/am/are + past participle.
Common Mistakes: Using past tense ‘was written’ instead of present simple passive.
2. Choose the correct passive form:<br>He is reading a novel.
easy
A. A novel was read by him.
B. A novel is being read by him.
C. A novel will be read by him.
D. A novel has been read by him.

Solution

  1. Step 1: Identify the tense.

    ‘Is reading’ = present continuous.

  2. Step 2: Move object to the front.

    Object = a novel → new subject.

  3. Step 3: Convert to passive.

    Present continuous → is/am/are being + V3 → is being read.

  4. Step 4: Add agent.

    → by him.

  5. Final Answer:

    A novel is being read by him. → Option B.

  6. Quick Check:

    ‘Being read’ shows continuous action in passive form. ✅
Hint: Present continuous → is/am/are being + V3.
Common Mistakes: Omitting ‘being’ in passive form.
3. Identify the correct passive form:<br>The students have completed the test.
easy
A. The test has been completed by the students.
B. The test is completed by the students.
C. The test was completed by the students.
D. The test will be completed by the students.

Solution

  1. Step 1: Identify the tense.

    ‘Have completed’ = present perfect.

  2. Step 2: Move object to subject position.

    Object = the test → new subject.

  3. Step 3: Apply passive rule.

    Present perfect → has/have been + V3 → has been completed.

  4. Step 4: Add agent.

    → by the students.

  5. Final Answer:

    The test has been completed by the students. → Option A.

  6. Quick Check:

    ‘Has been + V3’ correctly forms present perfect passive. ✅
Hint: Present perfect → has/have been + V3.
Common Mistakes: Leaving out ‘been’ in perfect passive forms.
4. Change into passive voice:<br>They built a new hospital last year.
medium
A. A new hospital was built by them last year.
B. A new hospital has been built by them last year.
C. A new hospital is built by them last year.
D. A new hospital will be built by them last year.

Solution

  1. Step 1: Identify the tense.

    ‘Built’ = past simple.

  2. Step 2: Move the object to the beginning.

    Object = a new hospital → new subject.

  3. Step 3: Convert the verb form.

    Past simple → was/were + V3 → was built.

  4. Step 4: Add agent.

    → by them.

  5. Final Answer:

    A new hospital was built by them last year. → Option A.

  6. Quick Check:

    Past simple passive uses ‘was + V3’. ✅
Hint: Past simple → was/were + past participle.
Common Mistakes: Using ‘has been’ instead of simple past form.
5. Select the correct passive sentence:<br>They will announce the results soon.
medium
A. The results were announced by them soon.
B. The results are announced by them soon.
C. The results will be announced by them soon.
D. The results have been announced by them soon.

Solution

  1. Step 1: Identify the tense.

    ‘Will announce’ = simple future.

  2. Step 2: Move object to subject position.

    Object = the results → new subject.

  3. Step 3: Convert verb to passive form.

    Future → will be + V3 → will be announced.

  4. Step 4: Add agent.

    → by them.

  5. Final Answer:

    The results will be announced by them soon. → Option C.

  6. Quick Check:

    ‘Will be announced’ is correct future passive form. ✅
Hint: Future → will be + V3.
Common Mistakes: Writing ‘are announced’ instead of ‘will be announced’.

Mock Test

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