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Interrogative Sentences

Introduction

English grammar இல், interrogative sentences கேள்விகளை கேட்க பயன்படுகின்றன. அவற்றை Active Voice இலிருந்து Passive Voice ஆக மாற்றும்போது, question format ஐ காக்க வேண்டும்; அதே நேரத்தில் active sentence இன் object passive sentence இன் subject ஆக மாற வேண்டும்.

இந்த pattern, grammatical ஆக சரியாகவும் இயல்பாகவும் இருக்கும் விதத்தில் கேள்விகளை restructure செய்வதை கற்றுத் தருகிறது.

Pattern: Interrogative Sentences

Pattern

Passive Voice இல், கேள்விகள் தங்களுடைய interrogative form ஐ காக்கும்; ஆனால் auxiliary verb, new subject க்கு முன் வரும்.

General structure:
Active: Did + Subject + Verb + Object?
Passive: Was/Were + Object + Past Participle + (by + Subject)?

“Who” questions க்கு:
Who → By whom Example: Who taught you English? → By whom were you taught English?

Step-by-Step Example

Question

Did he write the letter?

Solution

  1. Step 1: Identify components.

    Subject = he; Verb = write; Object = the letter.

  2. Step 2: Make the object the new subject.

    → the letter.

  3. Step 3: Choose correct helping verb.

    Active past simple இல் “Did” → Passive இல் was/were. (Letter = singular → was)

  4. Step 4: Form the passive question.

    → Was the letter written by him?

  5. Final Answer:

    Was the letter written by him?

  6. Quick Check:

    இரண்டும் questions ஆகவே உள்ளன; “write” சரியாக “written” ஆக மாறியுள்ளது. ✅

Quick Variations

1. Yes/No questions: “Did they build the house?” → “Was the house built by them?”

2. Wh-questions: “Who made this cake?” → “By whom was this cake made?”

3. “can,” “should” போன்றவற்றுடன் வரும் questions: “Can she solve the puzzle?” → “Can the puzzle be solved by her?”

Trick to Always Use

  • Step 1: Question structure ஐ 그대로 வைத்திருங்கள் (auxiliary அல்லது Wh-word உடன் தொடங்க வேண்டும்).
  • Step 2: subject மற்றும் object roles ஐ மாற்றுங்கள்.
  • Step 3: Main verb ஐ past participle ஆக மாற்றி, auxiliary ஐ சரியாக adjust செய்யுங்கள்.

Summary

Summary

Interrogative Sentences pattern இல்:

  • Question word order ஐ காப்பாற்றுங்கள் (auxiliary → subject).
  • who → by whom ஆக மாற்றுங்கள்.
  • Tense மற்றும் subject அடிப்படையில் சரியான helping verb (is/are, was/were, etc.) பயன்படுத்துங்கள்.
  • Main verb எப்போதும் past participle form இல் இருக்க வேண்டும்.

Practice

(1/5)
1. Change into passive voice:<br>Did he complete the task?
easy
A. Was the task completed by him?
B. Is the task completed by him?
C. Has the task completed by him?
D. Was the task being completed by him?

Solution

  1. Step 1: Identify tense and components.

    ‘Did’ indicates past simple; verb = complete; object = the task.

  2. Step 2: Make the object the subject.

    → The task.

  3. Step 3: Replace ‘did’ with ‘was/were’ in passive form.

    → Was (for singular ‘task’).

  4. Step 4: Convert verb to past participle.

    Complete → completed.

  5. Final Answer:

    Was the task completed by him? → Option A.

  6. Quick Check:

    Both active and passive are past simple questions. ✅
Hint: Replace ‘did’ with ‘was/were’ and move object before the verb.
Common Mistakes: Keeping ‘did’ in the passive form.
2. Convert into passive voice:<br>Is she making the cake?
easy
A. Was the cake being made by her?
B. Is the cake made by her?
C. Is the cake being made by her?
D. Has the cake been made by her?

Solution

  1. Step 1: Recognize tense.

    Present continuous (‘is making’).

  2. Step 2: Identify object.

    The cake.

  3. Step 3: Replace subject and object.

    The cake becomes the subject.

  4. Step 4: Apply passive formula.

    Is + being + V₃ → Is the cake being made by her?

  5. Final Answer:

    Is the cake being made by her? → Option C.

  6. Quick Check:

    ‘Being made’ correctly represents continuous tense. ✅
Hint: Continuous → use ‘being + past participle’.
Common Mistakes: Omitting ‘being’.
3. Change into passive voice:<br>Did they deliver the parcel?
easy
A. Was the parcel delivered by them?
B. Were the parcel delivered by them?
C. Is the parcel delivered by them?
D. Has the parcel been delivered by them?

Solution

  1. Step 1: Check tense.

    ‘Did’ → past simple.

  2. Step 2: Identify object.

    The parcel.

  3. Step 3: Replace with ‘was/were’ + V₃.

    Singular subject → was delivered.

  4. Step 4: Form question.

    → Was the parcel delivered by them?

  5. Final Answer:

    Was the parcel delivered by them? → Option A.

  6. Quick Check:

    ‘Parcel’ is singular, so use ‘was’. ✅
Hint: Use ‘was/were’ based on the number of the object.
Common Mistakes: Using plural verb ‘were’ for singular subject.
4. Convert into passive voice:<br>Who taught you English?
medium
A. By whom was you taught English?
B. By whom were you taught English?
C. Whom you were taught English by?
D. Who were you taught English?

Solution

  1. Step 1: Identify structure.

    Interrogative with ‘Who’ → change to ‘By whom’.

  2. Step 2: Identify object and subject.

    Object = you, Subject = who.

  3. Step 3: Apply passive formula.

    Use were + V₃ + by + subject.

  4. Step 4: Frame question.

    → By whom were you taught English?

  5. Final Answer:

    By whom were you taught English? → Option B.

  6. Quick Check:

    ‘Who → By whom’ correctly changed. ✅
Hint: Replace ‘Who’ with ‘By whom’.
Common Mistakes: Keeping ‘Who’ instead of ‘By whom’.
5. Change into passive voice:<br>Has he finished the work?
medium
A. Was the work finished by him?
B. Has the work been finished by him?
C. Is the work finished by him?
D. Had the work been finished by him?

Solution

  1. Step 1: Identify the tense.

    The sentence uses present perfect tense (‘has finished’).

  2. Step 2: Identify subject and object.

    Subject = he; Object = the work.

  3. Step 3: Make the object the subject in passive.

    → The work becomes the new subject.

  4. Step 4: Apply the passive rule for perfect tense.

    Structure: has/have + been + past participle → Has the work been finished by him?

  5. Final Answer:

    Has the work been finished by him? → Option B.

  6. Quick Check:

    ‘Has + been + finished’ correctly shows present perfect passive form. ✅
Hint: For perfect tenses, always add ‘been’ after has/have/had.
Common Mistakes: Using ‘was’ instead of ‘has been’.

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