Simple to Complex Sentence Conversion

Transformation of sentences is the process of changing the form of a sentence while simultaneously ensuring that its original meaning is maintained.

This process gives writers the opportunity to express their views differently and to draw the desired reactions.

In this post, you will find important rules, patterns, and examples for converting Simple to Complex sentences.

Simple to Complex Sentence Type 1:

Conversion by using a Noun Clause

Simple	Complex
I know the answer.	I know what the answer is.
She told me the truth.	She told me what the truth was.
They believe in his innocence.	They believe that he is innocent.
He wants to know the time.	He wants to know what time it is.
She said she was sorry.	She said that she was sorry.

Conversion by using an Adjective Clause

Simple	Complex
The girl in the red dress is singing.	The girl who is wearing the red dress is singing.
The black and white cat is sleeping on the couch.	The cat, which is black and white, is sleeping on the couch.
The car with the flat tire needs to be fixed.	The car which has a flat tire needs to be fixed.
The book on the table is mine.	The book which is on the table is mine.

Conversion by using an Adverb Clause

Simple Sentence	Complex Sentence
Peter was absent due to his illness.	Peter was absent because he was ill.
In spite of getting the gift, he was not happy.	Although he got the gift, he was not happy.