Simple sentences:

A simple sentence has only one clause:

The children were laughing.
John wanted a new bicycle.
All the girls are learning English.

Compound sentences:

A compound sentence has two or more clauses:

(We stayed behind) and (finished the job)
(We stayed behind) and (finished the job), then (we went home)

The clauses in a compound sentence are joined by co-ordinating conjunctions:

John shouted and everybody waved.
We looked everywhere but we couldn’t find him.
They are coming by car so they should be here soon.

The common coordinating conjunctions are:

and – but – or – nor – so – then – yet

Complex sentences:

A complex sentence has a main clause and one or more adverbial clauses. Adverbial clauses usually come after the main clause:

Her father died when she was very young
>>>
Her father died (main clause)
when (subordinating conjunction)
she was very young (adverbial clause)

She had a difficult childhood because her father died when she was very young.
>>>
She had a difficult childhood (main clause)
because (subordinating conjunction)
her father died (adverbial clause)
when (subordinating conjunction)
she was very young (adverbial clause).

Some subordinate clauses can come in front of the main clause:

Although a few snakes are dangerous most of them are quite harmless
>>>
Although (subordinating conjunction)
some snakes are dangerous (adverbial clause)
most of them are harmless (main clause).

A sentence can contain both subordinate and coordinate clauses:

Although she has always lived in France, she speaks fluent English because her mother was American and her father was Nigerian
>>>
Although (subordinating conjunction)
she has always lived in France (adverbial clause),
she speaks fluent English (main clause)
because (subordinating conjunction)
her mother was American (adverbial clause)
and (coordinating conjunction)
her father was Nigerian (adverbial clause).

There are seven types of adverbial clauses:

 

  Common conjunctions
Contrast clauses  although; though; even though; while;
Reason clauses because; since; as
Place clauses where; wherever; everywhere
Purpose clauses so that; so; because + want
Result clauses so that; so … that; such … that
Time clauses when; before; after; since; while; as; as soon as; by the time; until
Conditional clauses  if; unless; provided (that); as long as
   

Complete the sentences with conjunctions.

Match conjunctions to functions.

 

Section: 

Comments

Hi James,

I'm not familiar with what's available near Edinburgh, but you might want to ask in the English department of a university or secondary school - perhaps someone there would be able to give you some information about what's available locally.

Another idea is to do an internet search for "English writing classes for native speakers" (use the inverted commas in your search) - there were a few results that came up when I did so that might be of interest to you. If you're interested in improving your writing in a specific area (e.g. creative writing), you could search for "English creative writing classes for native speakers".

Good luck!

Best wishes,
Kirk
The LearnEnglish Team

Hi there, could you please help me. What kind of sentence is this " Chris was a hero, everyone said so." I know it has a indefinite pronoun in it, but which is the main clause? I'm very confused :( Thanks in advance

Hello monkey1985,

Strictly speaking, this sentence is incorrect, and is considered a run-on sentence or comma splice. Although people speak with run-on sentences all the time, and you can find them in novels, text messages, etc., it is not generally considered correct in more formal writing. This is because the two clauses are not joined in any way - there is no coordinating conjunction or appropriate punctuation (such as a semi-colon).

"Everyone said that Chris was a hero" or "Chris was a hero; everyone said so" are both similar sentences that are correct.

I hope this helps.

Best wishes,
Kirk
The LearnEnglish Team

Hi there
I've just read this grammar page (sentence structure) and I really like it. I have a couple grammar books but they do not explain in this way. could you please tell me your resource ?

Hello mehdi.AA,

In the "Grammar and Words" box at the top of our Grammar & Vocabulary section's main page, you can see that it was written by Dave Willis.

I'm sorry it took us several days to reply, but please know that we respond to comments as quickly as we can. Sometimes our responses come on the same day, sometimes they can take longer than a week. We are a small team responding to comments from millions of users around the world, and we do it for free!

Best wishes,
Kirk
The LearnEnglish Team

thank you so much kirk

Dear Sir

I have a few quesions about comlex sentences.
Please let me know which one is right.
1. As the book is written in easy English, it is easy to understand.
2. As it is written in easy English, the book is easy to understand.
-> The question is if the pronoun should be used in the subordinate clause or the main clause.

And if I change the correct sentence using a particple, is the sentence below right?
Being written in easy English, the book is easy to understand.
Thank you for your answers.
With best wishes

Eunsun

Hello eunsun143,

Both alternatives (1 and 2) are correct.  You can use the full noun in either clause.  It is also possible to use pronouns in both clauses, provided the noun is evident from the context, or has already been mentioned in an earlier sentence.

The third sentence ('Being written...') is also correct.

Best wishes,

 

Peter

The LearnEnglish Team

the Subject We in the sentence is actually omitted in the second clause as it is readily understood and there is no need for repeating it. so the sentence is compound...as people can say... we stayed behind. we finished the job

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