1. Grammar for Writing CLAUSES

2. DEFINITION
Clause is a group of related words that contains at least one subject and one verb and is used as a sentence or part of a sentence.
He is a news reporter. (As a sentence)
She loves music. (As a sentence)
Where he stays  (As part of a sentence)
Who lives next to my house  (As part of a sentence)

3. TYPES OF CLAUSES
There are two types of clauses: independent clause (or main clause), and dependent clause (also called subordinate clause).
Independent clause – is also called main clause, or principal clause.
Dependent clause – is also called sub-clause.

4. Independent Clauses
An independent clause has a subject and a verb, and can stand alone as a sentence. For examples,
They work in marketing department.
What products are they going to launch this year?
The company didn't perform well last year.
What shall we do?

5. Dependent Clauses
A dependent clause has a subject and a predicate, but it cannot stand alone as a sentence.
There are three types of subordinate clauses:
Noun clauses
Adjective clauses
Adverb clauses

6. Dependent Clauses: Noun clauses
A noun clause is a subordinate clause used as a noun. For examples,
What you have proposed is acceptable. (Noun clause)
Tell me what your marketing strategies are. (Noun clause)

7. Dependent Clauses: Adjective clauses
An adjective clause is a subordinate clause that modifies a noun or a pronoun. For examples,
The man who is standing over there is a product development manager. (Adjective clause)
His team has come up with products that have more features for customers. (Adjective clause)

8. Dependent Clauses: Adverb clauses
An adverb clause is a subordinate clause that modifies a verb, an adjective, or an adverb. It tells when, where, how, why, to what extent, or under what conditions. For examples,
If the products are fit for the customers, we will maintain sales increase of 10%. (Adverb clause)
There will be some promotion when the new product are available.  (Adverb clause)