A group of words that makes a complete sense is called a sentence.
The above given groups of words are making a complete sense thus they are referred to as sentence.
Sentence can be classified into four main categories as given ahead:-
1. Assertive/Declarative Sentences
Those sentences that make a statement or assertion are known as assertive or declarative sentences.
The above given sentences are making simple statements thus are known as declarative or assertive sentences.
2. Interrogative Sentences
Those sentences that ask a question are called interrogative sentences.
The above given sentences are asking questions thus are known as Interrogative sentences. These kinds of sentences end with a question mark.
3. Imperative Sentences
Those sentences that express commands, requests or entreaties are known as Imperative sentences.
The above given sentences are expressing commands and request respectively thus are known as Imperative sentences.
4. Exclamatory Sentences
Those sentences that give certain sudden feeling are known as exclamatory sentences.
The above given sentences show certain sudden feeling thus are known as exclamatory sentences. These sentences are usually ends with the sign of exclamation.
Main Components of a Sentence
A sentence is broadly consists of two components i.e A Subject and Predicate
Subject
That part of a sentence which names the person or thing we are talking about is known as a subject.
Predicate
That part of the sentence which tells something about the subject is known as the predicate.
In the example given above Akbar is the subject of the sentence and was a great emperor is its predicate.
Note:-The subject of the sentence usually comes first but certain time it can be put after the Predicate.
In the first example He the subject comes first. But in the second sentence the teacher- subject of the sentence- came after the predicate
In imperative sentences the subject is altogether missed out of the sentence.
In the above example subject is missing although it is understood that it is you over here.
Know about - Simple Sentence, Complex Sentence and Compound Sentence.