CBSE Class 10 English Grammar Sentence Transformation

CBSE Class 10 English Grammar Sentence transformation: Class 10 is an important time for all school students. And English grammar is basically the key to score satisfying marks for your boards. Not only this subject offers students with robust marks scoring opportunity, but it undoubtedly helps students to start preparing for their solid career.

Yes, with English grammar students who aspires to sit for the competitive exam needs to start from this very grade. We bring you cbse class 10 sentence transformation curriculum to start with your preparation.

The English grammar that you learned until 9th grade is the ladder that you climbed to start fresh in class 10. And genuinely speaking, voice change, direct indirect speech, prepositions to conjunctions are all part of sentence transformation. Therefore let take an indepth ride to the chapter to understand the concept in details

CBSE Class 10 English Grammar Sentence Transformation

In simple term transformation of sentence refers to changing the form of sentence without actually changing the meaning of the sentence. We all know that we can change a simple sentence to a compound and in a complex one as well. Likewise, there is also a scope of transforming a sentence to affirmative, negative and interrogative sentence and vice versa, however without changing the core meaning of the sentence.

We are here to learn some ways through which we can actually start with the chapter. So let us get to it

CBSE Class 10 English Grammar Sentence transformation

Let us go through some examples, to begin with

  1. Hurry up.
  • Will you please hurry up? Hurry up will you?
  • You are requested to hurry up.
  1. Please open the window.
  • Will you please open the window?
  • Would you mind opening the window?
  1. My sister is very wise.

My sister is not a fool.

  1. Krishna is too weak to walk.

Krishan is so weak that she cannot walk.

These are some significant example that definitely gave you a detailed idea regarding sentence transformation. Have you paid notice that each of the sentences is offering the same meaning with a different structure format?

CBSE Class 10 English Grammar Sentence transformation: Sentence Transformation Class 10 CBSE Rules

Rule A

Transformation of subject +verb + too+ Adjective/adverb+ infinitive ‘to’ principal clause(with so/such)+ that+adverb clause

Examples to follow:

  1. The man is too poor to pay his bills (Simple sentence)

The man is so poor that he cannot pay his bills (Complex sentence)

  1. Krishna is too honest to cheat (Simple sentence)

Krishna is so honest that she cannot cheat (Complex sentence)

As mentioned in the rules above

  • Too is replaced with so/such
  • Infinitive is changed to ‘that’+negative adverb clause of result

Once you learn the rules by heart practising this section of English grammar on sentence transformation class 10 cbse worksheets will give you ample scope to become an expert in this English grammar section.

Rule B

Transformation of subject +verb +adjective/adverb +enough +infintive ‘to’ principal clause (with so +that +adverb caluse )

~He is tall enough to touch the fan

We are going to use ‘So that’

~He is so tall that can touch the fan.

As mentioned in the rules above

  • In the above sentence, ‘enough’ got replaced by ‘so’
  • Infinitive is changed into that+positive adverbial clause of result

CBSE Class 10 English Grammar Sentence transformation: Transformation Of Degree

We are going to change sentences from positive to a comparative degree.

  1. Munni is as beautiful as Tinni.

Tinni is not more beautiful than Munni.

  1. Tan is as strong as his brother.

Tan’s brother is not stronger than him.

  • Adjective/adverb is put into the comparative form along with ‘than’.
  • Here the affirmative sentence is changed to negative and negative affirmative.

This similar rule student needs to follow while changing comparative degree to a positive degree. In this case, the adjective is changed to a positive degree while the affirmative sentence is changed to negative and vice versa.

Now let us learn transforming a sentence from comparative to a superlative degree.

  1. Ram is faster than any other boy in the class.

Ram is the fastest boy in the class.

  1. Gold is more expensive than any other metal.

Gold is the most expensive metal.

  • Any other/no other is left out.
  • The comparative form is changed to superlative form.
  • ‘Than’ is removed, ‘the’ is placed before superlative degree.

Now let us change a positive sentence to superlative one

  1. No other poet is as great as Kalidas.

Kalidas is the greatest poet.

  1. No other metal is s costly as gold.

Gold is the costliest metal.

  • No other/any other is left out.
  • As………as/so…………as is transformed into a superlative degree of the adjective.
  • Few/very few are changed into one of the.

Now let us change the sentence from superlative to positive sentence

  1. Tokyo is one of the most expensive cities to live in.

Very few cities are expensive to live in as Tokyo.

  1. Shruti is one of the cleverest girls in her class.

Very few girls of Shruti’s class are as clever as her.

  • ‘One of the’ is removed from the sentence.
  • The sentence begins with ‘very few’.
  • Superlative degree of the adjective is changed to positive.

Now, let us transform superlative degree to comparative one

  1. Korean is one of the toughest languages to study.

Korean is tougher to learn than most of the other languages.

  1. Emerald is one of the precious gems.

Emerald is more precious than most other gems.

CBSE Class 10 English Grammar Sentence transformation: Transformation Of Kinds Of Statement

Let us begin with Interrogative to Assertive

  1. Does man live by water alone?

Man does not live by water alone.

  1. Who can deny the fact?

No one can deny the fact.

  • Here an affirmative statement becomes a negative statement.
  • Also, a negative question changes to a positive statement.

Now let us change a sentence from affirmative to negative

  1. As soon as the students saw the teacher they rushed to their class.

No sooner did the students see the teacher than they rushed to their class.

  1. He is a fast runner.

He is not a slow runner.

  • Affirmative word is removed.
  • Opposite of the keywords are used.
  • Change in keywords.

Some important examples that you need to learn



A few

Not many

As soon as

No sooner than









Let us now transform a statement to exclamation

  1. It is very pleasant weather.

What a pleasant weather!

  1. It is nice of you to help me.

How nice of you to help me!

In these sentences

  • Very is removed in each of the exclamatory sentences.
  • Full stops are changed to exclamatory signs.
  • What/how is placed at the beginning of each exclamatory sentences.
  • Additionally, words such as ‘Ah’, ‘Alas’, ‘Hurry’ and more are used to express the emotions.

CBSE Class 10 English Grammar Sentence transformation: Combining Sentences

Combining sentence which is commonly called joining of sentences is a simple process of joining parts of sentences to give complete meaning to the statement. There are numbers of connectors that you have to use such as

  1. Relative nouns: Whom, who, which etc.
  2. Relative adverbs: When, where, how, why etc.
  3. Conjunctions: And, yet, but after, before, while, though, yet etc.

Once you study all the segregation of this portion of English grammar, make sure to practice sentence transformation class 10 cbse worksheets to build a strong base on the topic. Additionally, this section offers ample opportunity to score.

Here we have jotted down all the vital topics associated with sentence transformation. If you face any relevant issue, feel free to ask your query. We are always ready to help you.

We have covered a detailed guide on CBSE Class 10 English Grammar Sentence Transformation. Feel free to ask any questions in the comment section below.

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