Sunday, 10 May 2026

Types of Sentences-Changing Affirmative to Negative-Assertive to Interrogative-Active to Passive Transformation

 Q4.Describe the various types of sentences based on changing affirmative to negative, assertive to interrogative and active to passive.

Explanation of types of sentence transformation based on changing:

  • Affirmative to Negative
  • Assertive to Interrogative
  • Active to Passive Voice

Each type involves modifying the structure of a sentence while retaining its original meaning.

1.   Affirmative to Negative Sentences

Definition:

An affirmative sentence states a fact or agreement. A negative sentence denies or negates something.

How to Change:

  • Use negative words like not, never, no one, nothing, hardly, scarcely, etc.
  • Avoid double negatives.

Examples:

Affirmative Sentence

Negative Sentence

·      He is always punctual.

He is never late.

·      She knows everything.

There is nothing she does not know.

·      He can do it.

He cannot fail to do it.

·      Everyone likes her.

No one dislikes her.

·      I agree with you.

I do not disagree with you.

2.   Assertive to Interrogative Sentences

Definition:

An assertive sentence makes a statement. An interrogative sentence asks a question.

How to Change:

  • For affirmative assertive, use a negative interrogative.
  • For negative assertive, use a positive interrogative.

Examples:

Assertive Sentence

Interrogative Sentence

·      He is very wise.

Is he not very wise?

·      She does not like tea.

Does she like tea?

·      He will help us.

Will he not help us?

·      They never fail.

Do they ever fail?

·      She can sing well.

Can she not sing well?

3.   Active to Passive Voice

Definition:

In active voice, the subject does the action. In passive voice, the subject receives the action

How to Change:

  • Object of the active sentence becomes the subject of the passive.
  • Use the correct form of the verb "to be" + past participle.
  • Mention the agent (doer) using "by", if necessary.

 Examples:

Active Voice

Passive Voice

·      The teacher teaches English.

English is taught by the teacher.

·      He will complete the work.

The work will be completed by him.

·      They are playing cricket.

Cricket is being played by them.

·      She has written a letter.

A letter has been written by her.

·      The police caught the thief.

The thief was caught by the police.