A declarative sentence is a sentence that is in the form of a statement or you could you also say a declarative sentence is a sentence that makes a statement.
In addition, declarative statements <em>always</em> end with a period.
A few examples of declarative sentences are listed below.
<u><em>Soccer is a popular international sport.</em></u>
<u><em>Tomorrow I have a doctor's appointment.</em></u>
<u><em>There will be a meeting today after school.</em></u>
