Coordination is a grammatical process by which two or more words or phrases of the same rank are conjoined.
A conjunction that joins parts of a sentence (words, phrases or clauses) that are grammatically equal or similar in importance and structure is called a Coordinating Conjunction.
e.g: and, but, or, nor, for, yet, so.
Coordinate Conjunctions: and, but, or, yet, so, neither..nor, either..or, not only..but also, both etc.
Subordinate Conjuctions: when, before, after, since, while, as, till, until, whenever, as long as, as soon as, nosooner..than, then, scarcely, hardly, wherever, because, inorder that, so..that, if, though, even though, whereas, as if, whether..or etc.
Compound sentence and Complex sentence
Observe the following sentences.
1. Dr. Kotnis was a doctor and Guo, a nurse.
2. I could not stop laughing when he told jokes.
· What are the main clauses in each sentence?
· How many subordinate clauses are there in sentences 1 and 2?
Dr. Kotnis was a doctor and Guo, a nurse. (two main clauses)
I could not stop laughing when he told jokes. (one main clause and one subordinate clause)
‘I could not stop laughing’ is a main clause, ‘when he told jokes’ is a subordinate clause.
- A sentence which consists of two or more main clauses combined with coordinate conjuctions is called a Compound Sentence.
- A sentence which consists of one main clause and one or more subordinate clauses combined with subordinate conjuctions is called a Complex Sentence.
Read the following sentences. Identify the clauses and say whether they are main clauses or subordinate clauses.
- John suffers from Asthma but attends school regularly.
- We like songs but they like games.
- Japan attacked China in 1937 and wounded many soldiers.
- If the rain stops, we will go out.
- She was unhappy or she was upset.