Transformation of Sentences

                                     DATE :- 29.07.2026

                            Transformation of Sentences:

 1. Simple, Compound & Complex

A. Simple Sentence

A Simple Sentence has one independent clause (one subject and one predicate).

Examples:

• He works hard.
• She is reading a book.
• We won the match.

B. Compound Sentence

A Compound Sentence has two or more independent clauses joined by a coordinating conjunction such as and, but, or, so, for, yet.

FANBOYS

F – For

A – And

N – Nor

B – But

O – Or

Y – Yet

S – So [1]

Examples:

• He worked hard and he passed the exam.
• She was tired but she continued her work.
• Hurry up, or you will miss the bus.

C. Complex Sentence

A Complex Sentence has one main (independent) clause and one or more subordinate (dependent) clauses joined by words like because, although, since, when, if, while, that, who, which, as.

                                                A WHITE BUS

A – Although / As

WH – Whenever / While / Where / Wherever

I – If

T – Though

E – Even if / Even though

B – Because / Before

U – Unless / Until

S – Since / So that

Examples:

• He passed the exam because he worked hard.
• When I reached the station, the train had left.
• I know that he is honest.

Rules of Transformation

i . Simple → Compound

Rule:-  Replace phrases with coordinating conjunctions (and, but, so, or).

Examples (10)

1. Being tired, he slept.
   → He was tired and he slept.
2. In spite of his poverty, he is happy.
   → He is poor but he is happy.
3. Besides being rich, he is kind.
   → He is rich and he is kind.
4. Working hard, she succeeded.
   → She worked hard and she succeeded.
5. To avoid failure, study hard.
   → Study hard or you will fail.
6. On seeing the snake, he ran away.
   → He saw the snake and he ran away.
7. Without your help, I cannot succeed.
   → Help me, or I cannot succeed.
8. In spite of the rain, they played.
   → It was raining but they played.
9. He went to school after taking breakfast.
   → He took breakfast and then he went to school.
10. By working honestly, you can succeed.
    → Work honestly and you can succeed.

ii . Compound → Complex

Rule:   Replace coordinating conjunctions with subordinating conjunctions such as because, although, if, when, since, so that, while.

Examples 

1. He worked hard, so he passed.
   → He passed because he worked hard.
2. Hurry up, or you will miss the train.
   → If you do not hurry up, you will miss the train.
3. He was ill, so he stayed at home.
   → He stayed at home because he was ill.
4. She was tired, but she continued.
   → Although she was tired, she continued.
5. Obey your parents, and you will be happy.
   → If you obey your parents, you will be happy.
6. Work hard, or you will fail.
   → If you do not work hard, you will fail.
7. The sun set, and the children returned home.
   → When the sun set, the children returned home.
8. He is poor, but he is honest.
   → Although he is poor, he is honest.
9. She studied well, so she secured first position.
   → She secured first position because she studied well.
10. Keep quiet, or the teacher will punish you.
    → If you do not keep quiet, the teacher will punish you.

iii . Complex → Simple

Rule:   Replace subordinate clauses with phrases (infinitive, participle, or prepositional phrase).

Examples 

1. Because he was ill, he stayed at home.
   → Being ill, he stayed at home.
2. Though he is poor, he is happy.
   → In spite of his poverty, he is happy.
3. When he saw the tiger, he ran away.
   → On seeing the tiger, he ran away.
4. As he worked hard, he succeeded.
   → By working hard, he succeeded.
5. If you work hard, you will succeed.
   → By working hard, you will succeed.
6. Because she was tired, she went to bed.
   → Being tired, she went to bed.
7. Though he was young, he was wise.
   → Despite his youth, he was wise.
8. As she completed the work, she left.
   → After completing the work, she left.
9. When I reached the station, the train had left.
   → On reaching the station, I found that the train had left.
10. Because he was honest, everyone trusted him.
    → Being honest, he was trusted by everyone.

2. Assertive to Interrogative

Rule:

• Change the statement into a question.
• Use Is/Are/Was/Were/Do/Does/Did.
• The meaning should remain the same.

Examples

1. He is honest.
   → Isn't he honest?
2. She is beautiful.
   → Isn't she beautiful?
3. Everybody likes flowers.
   → Who does not like flowers?
4. Everyone respects teachers.
   → Who does not respect teachers?
5. You can solve this problem.
   → Can't you solve this problem?
6. Nobody is perfect.
   → Who is perfect?
7. We should obey our parents.
   → Shouldn't we obey our parents?
8. The earth is round.
   → Isn't the earth round?
9. He always speaks the truth.
   → Doesn't he always speak the truth?
10. She sings well.
    → Doesn't she sing well?

3. Interrogative to Assertive

Rule:

• Remove the question mark.
• Change the question into a statement.
• Keep the meaning unchanged.

Examples

1. Who does not know Mahatma Gandhi?
   → Everyone knows Mahatma Gandhi.
2. Isn't she intelligent?
   → She is intelligent.
3. Can anyone deny this fact?
   → No one can deny this fact.
4. Who can stop time?
   → No one can stop time.
5. Isn't it a beautiful day?
   → It is a beautiful day.
6. Who does not love freedom?
   → Everyone loves freedom.
7. Is he not your friend?
   → He is your friend.
8. Can we forget our country?
   → We cannot forget our country.
9. Isn't honesty the best policy?
   → Honesty is the best policy.
10. Shall we not help the poor?
    → We should help the poor.

4. Assertive to Exclamatory

Rule:

• Begin with What or How.
• End with an exclamation mark (!).

Examples

1. It is a beautiful flower.
   → What a beautiful flower it is!
2. She is very kind.
   → How kind she is!
3. The weather is pleasant.
   → What pleasant weather!
4. He is very brave.
   → How brave he is!
5. The building is magnificent.
   → What a magnificent building!
6. It is a lovely garden.
   → What a lovely garden!
7. The baby is very cute.
   → How cute the baby is!
8. She dances beautifully.
   → How beautifully she dances!
9. It is an exciting match.
   → What an exciting match!
10. The stars are bright.
    → How bright the stars are!

5. Exclamatory to Assertive

Rule:

• Remove What or How.
• Change into a simple statement.

Examples

1. What a beautiful flower it is!
   → It is a very beautiful flower.
2. How brave he is!
   → He is very brave.
3. What a fine idea!
   → It is a very fine idea.
4. How lovely the garden is!
   → The garden is very lovely.
5. What a wonderful day!
   → It is a wonderful day.
6. How clever she is!
   → She is very clever.
7. What an honest man he is!
   → He is an honest man.
8. How fast the train runs!
   → The train runs very fast.
9. What a sweet voice she has!
   → She has a very sweet voice.
10. How beautiful the rainbow is!
    → The rainbow is very beautiful.

6. Active and Passive Voice – Sentence-wise Rules 

Rule 1: Simple Present Tense

Active Voice

Structure: Subject + V¹(s/es) + Object

Example:

• Ram writes a letter.

Passive Voice

Structure: Object + is/am/are + V³ + by + Subject

Example:

• A letter is written by Ram.

Rule 2: Present Continuous Tense

Active Voice

Structure: Subject + is/am/are + V¹ + ing + Object

Example:

• She is reading a book.

Passive Voice

Structure: Object + is/am/are + being + V³ + by + Subject

Example:

• A book is being read by her.

Rule 3: Present Perfect Tense

Active Voice

Structure: Subject + has/have + V³ + Object

Example:

• They have completed the work.

Passive Voice

Structure: Object + has/have + been + V³ + by + Subject

Example:

• The work has been completed by them.

Rule 4: Simple Past Tense

Active Voice

Structure: Subject + V² + Object

Example:

• The teacher praised the student.

Passive Voice

Structure: Object + was/were + V³ + by + Subject

Example:

• The student was praised by the teacher.

Rule 5: Past Continuous Tense

Active Voice

Structure: Subject + was/were + V¹ + ing + Object

Example:

• He was painting the wall.

Passive Voice

Structure: Object + was/were + being + V³ + by + Subject

Example:

• The wall was being painted by him.

Rule 6: Past Perfect Tense

Active Voice

Structure: Subject + had + V³ + Object

Example:

• She had finished the homework.

Passive Voice

Structure: Object + had + been + V³ + by + Subject

Example:

• The homework had been finished by her.

Rule 7: Simple Future Tense

Active Voice

Structure: Subject + will/shall + V¹ + Object

Example:

• They will build a bridge.

Passive Voice

Structure: Object + will/shall + be + V³ + by + Subject

Example:

• A bridge will be built by them.

Rule 8: Future Perfect Tense

Active Voice

Structure: Subject + will/shall + have + V³ + Object

Example:

• She will have completed the project.

Passive Voice

Structure: Object + will/shall + have been + V³ + by + Subject

Example:

• The project will have been completed by her.

Rule 9: Modal Verbs

Active Voice

Structure: Subject + can/could/may/might/must/should + V¹ + Object

Example:

• You can solve the problem.

Passive Voice

Structure: Object + can/could/may/might/must/should + be + V³ + by + Subject

Example:

• The problem can be solved by you.

Rule 10: Imperative Sentences

Active Voice

Structure: Verb + Object

Example:

• Open the door.

Passive Voice

Structure: Let + Object + be + V³

Example:

• Let the door be opened.

Quick Revision Table

Tense	Active Structure	Passive Structure
Simple Present	S + V¹(s/es) + O	O + is/am/are + V³ + by + S
Present Continuous	S + is/am/are + V-ing + O	O + is/am/are + being + V³ + by + S
Present Perfect	S + has/have + V³ + O	O + has/have + been + V³ + by + S
Simple Past	S + V² + O	O + was/were + V³ + by + S
Past Continuous	S + was/were + V-ing + O	O + was/were + being + V³ + by + S
Past Perfect	S + had + V³ + O	O + had been + V³ + by + S
Simple Future	S + will/shall + V¹ + O	O + will/shall + be + V³ + by + S
Future Perfect	S + will/shall + have + V³ + O	O + will/shall + have been + V³ + by + S
Modals	S + Modal + V¹ + O	O + Modal + be + V³ + by + S
Imperative	Verb + O	Let + O + be + V³

8. Positive – Comparative – Superlative

Rule:

• Positive: as...as
• Comparative: -er / more...than
• Superlative: the -est / the most

Examples

1. Ram is as tall as Shyam.
   → Ram is not taller than Shyam.
   → Ram and Shyam are the tallest boys.
2. Gold is more precious than silver.
   → Silver is not as precious as gold.
   → Gold is the most precious metal.
3. Riya is the tallest girl.
   → Riya is taller than any other girl.
   → No other girl is as tall as Riya.
4. Iron is stronger than wood.
   → Wood is not as strong as iron.
   → Iron is the strongest metal (in this context).
5. This is the best book.
   → This book is better than any other book.
   → No other book is as good as this one.
6. Delhi is bigger than Jaipur.
   → Jaipur is not as big as Delhi.
   → Delhi is the biggest city (in this group).
7. Rahul is the smartest student.
   → Rahul is smarter than any other student.
   → No other student is as smart as Rahul.
8. The lion is stronger than the wolf.
   → The wolf is not as strong as the lion.
   → The lion is the strongest animal (in this comparison).
9. Health is better than wealth.
   → Wealth is not as good as health.
   → Health is the best wealth.
10. Mount Everest is the highest peak.
    → Mount Everest is higher than any other peak.
    → No other peak is as high as Mount Everest.