Simple, Compound and Complex Sentences :


A clause is a group of words having Subject and Predicate.

  • If you study well, you will pass
    Subordinate Clause Main Clause
  • Though he is poor, he is generous.
    Subordinate Clause Main Clause

Main Clause

A Main Clause is a clause that stands alone and gives a complete meaning.

Subordinate Clause

A Subordinate Clause must have any one of the following Subordinating Conjuctions :

Subordinating Conjuctions :
before, after, till, untill, when, where, which, who, whom, why, what, that, since, as, because, if, unless, as if, as though, although, even though, as well as, as soon as, so that, on condition that, provided that etc.

Co-ordinating Conjuctions :
and, or, but, so, yet, either...or, neither...nor, ner, not only...but also, both...and, still, else.

What is a Phrase

A phrase is a group of words which has some meaning. But it does not make complete sense by itself. It contains no finite verb. But it may contain an infinitive or a participle.

Kinds of Sentences :

There are three kinds of sentences : simple, complex and compound.

  • A Simple Sentence contains one finite verb (i.e. a verb showing tense, person and number as : he goes; she went). That is to say, a simple sentence has one main clause, e.g.
    Seeing the wolf, the boy ran away.
    I’ve met him before.
  • A Compound Sentence has two or more clauses. It may also have one or more subordinate clauses. e.g.
    The boy saw the wolf and ran away.
    I ran to the window and looked down into the street.
  • A Complex Sentence has one main clause and one or more subordinate clauses. e.g.
    When the boy saw the wolf, he ran away.
    Before we went very far, we found that we had lost our way.

18 Rules :

After After and afterward
Before Before and before that
About That and about it
Till, untill Till, untill And till then
On When And then
During the period (time) of While and during that period (time)
Incase of / In the event of If provided / provided that / should / were / supposing And such a case / And in such and event
In case of ... not Unless Must / else / or / otherwise
The manner of / The way of / The method of How And I know the method
Soon after / Immedicately after / Instantaneously after As soon as / no sooner than And immediately / and afterwards / and at once
For fear of lest And for that fear
The place of where And its place
The reason of / The cause why And + cause
Inspite of / Despite / on account of / not withstanding to Though, Although / Eventhough / not withstanding that But / yet / still / how ever / all the same / never the less
owing to / on account of / due to / because of As, because since / for And so / And therefore
During the whole length of / time of As long as / so long as And / during the length of time
Ever since Ever since And since then
Besides As well as Not only then... but also

Examples :

Being tired, he went to bed.As he was tired, he went to bed.He was tired. He went to bed.
Having finished his work, he returned home.After he had finished his work, he returned home.He had finished his work. He returned home.
I saw a girl wiht blue eyes.I saw a girl who had blue eyes.I saw a girl. She had blue eyes.

Model-1 :
In spite of, despite, not withstanding. - Simple
Though, although - Complex.

Although it rained a lot, they enjoyed themselves. (Complex)

In spite of or Despite the rain, they enjoyed themselves. (Simple)

  • Thomas was a richman yet he led a simple life. (Compound)
  • In spite of his being a richman. Thomas led a simple life. (Simple)
  • Though Thomas was a richman, he led a simple life. (Complex)

Model-2 :
on account of, because of, in consequence of, owing to. - Simple.
As, Since, Because - Complex.

  • It rained heavily. The school was closed. (Compound)
  • On account of heavy rain, the school was closed. (Simple)
  • As it rained heavily, the school was closed. (Complex)

Model-3 :
In case of, in the event of. - Simple.
If, Unless. - Complex

  • He works hard and he will succeed. (Compound)
  • In the event of his hard work, he will succeed. (Simple)
  • If he works hard, he will succeed. (Complex)

Model-4 : - Simple.
So...that...not. - Complex

The food was very hot. We could not eat it. (Compound)

The food was so hot that we could not eat it. (Simple)

The food was too hot to eat. (Complex)


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