What is Sentence? and how many kinds of sentences we have?

A sentence is a group of words which gives a complete meaning by itself, having a subject and predicate conveying a statement, exclamation, command, request, question, and consists of the main clause and sometimes one or more subordinate clauses.

Example:

she is a girl.

They speak English in the class.

Note: we have six kinds of sentences.

1. Declarative
2. Interrogative
3. Imperative
4. Exclamatory
5. Compound
6. Complex

1.Declarative Sentence:

Def: A declarative declares or asserts a statement. it contains a subject and a verb and expresses a complete thought.

Example: 

Ali and Ahmed play football every morning.

shabana goes to school every day.

2. Interrogative Sentence:

Def: an interrogative expresses a question. it is also called a question sentence. An interrogative always ends with a question mark (?)

Example:

Where are you from?

What is your name?

How are you?

3. Imperative Sentence:

Def: Imperative expresses a command, order, request, suggestion, and advice. it mostly ends with a period but sometimes ends with an exclamation mark (!) depends upon the emotions in the sentence.

Example:

Get out of the class.               (order)

Please! be quiet.                     (request)

Don’t smoke a cigarette.       (advice)

4. Exclamatory Sentence:

Def: an exclamatory expresses a strong emotion and feelings. it describes emotions or feelings of joy, anger, happiness, sorrow, surprise, excitement, appreciation. An exclamatory always ends with an exclamatory mark (!)

Example: 

Hurrah! we won the match.

Alas! his grandmother died.

Hmmm! there is something fishy.

5. Compound Sentence:

Def: a compound contains two independent clauses joined by a coordinate. the coordinate is (for, and, nor, or, but, yet, so) the compound use comma for every short sentence.

Example: 

Sherry is tall, but Jerry is taller.

Ali is a good boy, and Ahmed is his best friend.

Mr. Bean played football, so Meria went shopping.

The above sentences are compound sentences. each sentence contains two independent clauses, and they are joined by a coordinator with a comma.

6. Complex Sentence:

Def: a complex has an independent clause joined by one or more dependent clauses. A complex always has a subordinator such as (because, since, after, although, when) or when a relative pronoun such as (that, who, which)

Example:

when the teacher checked his homework, he forgets to give the teacher the last page.

He stopped the police because he saw a thief.

After she enjoyed the party, Ali takes him to the home.

Ali takes him to the home after she enjoyed the party.

when a complex sentence begins with a subordinate such as sentence A and D a comma is required at the end of the dependent clause. when the independent clause begins the sentence with subordinators in the middle as in sentences B and D no comma is required. if a comma is placed before the subordinators in the sentence than it is wrong.