**declarative sentence:** simply makes a statement or expresses an opinion. In other words, it makes a declaration. This kind of sentence ends with a period.
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**imperative sentence:** gives a command or makes a request. It usually ends with a period but can, under certain circumstances, end with an exclamation point.
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**interrogative sentence:** asks a question. This type of sentence often begins with who, what, where, when, why, how, or do, and it ends with a question mark.
\n **exclamatory sentence:** expresses great emotion such as excitement, surprise, happiness and anger, and ends with an exclamation point.