Definition

A sentence is a group of words that expresses a complete thought. A sentence must have a subject and a verb. It can also have an object. A sentence can be as simple as "I am."

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Types of sentences

There are four main types of sentences: declarative, interrogative, exclamatory, and imperative. Each type serves a different purpose.

• Declarative sentences make a statement. They are the most common type of sentence.
• Interrogative sentences ask a question. They usually end with a question mark.
• Exclamatory sentences express strong feelings. They often end with an exclamation point.
• Imperative sentences give a command. They usually end with a period.

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Subject and predicate

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A subject is the noun or pronoun that is doing the verb, and the predicate is the verb (plus any modifiers) that is being done. In simpler terms: The subject is the actor, and the predicate is the action.

In the sentence "The cat is on the mat," "cat" is the subject and "is on the mat" is the predicate.

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Examples:

• The dog (subject) was barking (predicate)
• My aunt (subject) serves in the army (predicate)
• They (subject) were working in the lawn (predicate)
• She (subject) is a courageous woman (predicate)
• I (subject) am writing a paper (predicate)

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Conclusion

A sentence expresses a complete thought and must have a subject, verb and object

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